# [zerojudge](https://zerojudge.tw)

# a

## [a004](https://zerojudge.tw/ShowProblem?problemid=a004)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNext()) {
            int year = scanner.nextInt();

            if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) {
                System.out.println("閏年");
            } else {
                System.out.println("平年");
            }
        }

        scanner.close();
    }
}

## [a005](https://zerojudge.tw/ShowProblem?problemid=a005)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        for (int times = 0; times < n; times++) {
            int[] c = new int[4];
            for (int b = 0; b < 4; b++) {
                c[b] = scanner.nextInt();
                System.out.print(c[b] + " ");
            }
            if (c[0] + c[2] == 2 * c[1]) {
                System.out.println(c[3] + c[2] - c[1]);
            } else {
                System.out.println(c[3] * (c[2] / c[1]));
            }
        }
        scanner.close();
    }
}

## [a011](https://zerojudge.tw/ShowProblem?problemid=a011)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNext()) {
            String word = scanner.nextLine();

            String[] words = word.split("\\W+");
    
            System.out.println(words.length);
        }
        
        scanner.close();
    }
}

## [a022](https://zerojudge.tw/ShowProblem?problemid=a022)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String a = scanner.nextLine();

        char first = a.charAt(0);
        char last = a.charAt(a.length() - 1);

        if (first == last) {
            System.out.println("yes");
        } else {
            System.out.println("no");
        }

        scanner.close();
    }
}

## [a024](https://zerojudge.tw/ShowProblem?problemid=a024)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();
        int b = scanner.nextInt();

        int gcd = findGCD(a, b);

        System.out.println(gcd);

        scanner.close();
    }

    public static int findGCD(int a, int b) {
        if (b == 0) {
            return a;
        } else {
            return findGCD(b, a % b);
        }
    }
}

## [a038](https://zerojudge.tw/ShowProblem?problemid=a038)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int number = scanner.nextInt();
        String numberStr = Integer.toString(number); // int to string
        String reversedNumberStr = new StringBuilder(numberStr).reverse().toString(); // 反轉string
        int reversedNumber = Integer.parseInt(reversedNumberStr); // string to int
        System.out.println(reversedNumber); // print int

        scanner.close();
    }
}

## [a042](https://zerojudge.tw/ShowProblem?problemid=a042)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNextInt()) {
            int a = scanner.nextInt();

            int b = a * a - a + 2;

            System.out.println(b);
        }

        scanner.close();
    }
}

## [a044](https://zerojudge.tw/ShowProblem?problemid=a044)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNextInt()) {
            int a = scanner.nextInt();

            int b = ((int) (Math.pow(a, 3) + 5 * a + 6) / 6);

            System.out.println(b);
        }

        scanner.close();
    }
}

## [a053](https://zerojudge.tw/ShowProblem?problemid=a053)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();

        if (a <= 10) {
            System.out.println(a *= 6);
        } else if (a > 10 && a <= 20) {
            System.out.println((a - 10) * 2 + 60);
        } else if (a > 20 && a <= 40) {
            System.out.println((a - 20) * 1 + 80);
        } else if (a > 40) {
            System.out.println("100");
        }

        scanner.close();
    }
}

## [a104](https://zerojudge.tw/ShowProblem?problemid=a104)

import java.util.Scanner;
import java.util.ArrayList;
import java.util.Collections;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNext()) {
            int n = scanner.nextInt(); 
            ArrayList<Integer> numbers = new ArrayList<>();

            for (int i = 0; i < n; i++) {
                numbers.add(scanner.nextInt());
            }

            Collections.sort(numbers);

            for (int num : numbers) {
                System.out.print(num + " ");
            }
            System.out.println(); 
        }

        scanner.close();
    }
}

## [a147](https://zerojudge.tw/ShowProblem?problemid=a147)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNext()) {
            int a = scanner.nextInt();

            if (a == 0) {
                break;
            }

            for (int i = 1; i < a; i++) {
                if (i % 7 != 0) {
                    System.out.print(i + " ");
                }
            }
            System.out.println();
        }

        scanner.close();
    }
}

## [a148](https://zerojudge.tw/ShowProblem?problemid=a148)

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNext()) { 
            int totalScore = 0;
            int m = scanner.nextInt(); 
            for (int j = 0; j < m; j++) {
                totalScore += scanner.nextInt(); 
            }

            double averageScore = (double) totalScore / m; 

            if (averageScore > 59) {
                System.out.println("no");
            } else {
                System.out.println("yes");
            }
        }

        scanner.close();
    }
}

## [a244](https://zerojudge.tw/ShowProblem?problemid=a244)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int N = scanner.nextInt();
        for (int i = 0; i < N; i++) {
            int a = scanner.nextInt();
            long b = scanner.nextInt();
            long c = scanner.nextInt();

            switch (a) {
                case 1:
                    System.out.println(b + c);
                    break;
                case 2:
                    System.out.println(b - c);
                    break;
                case 3:
                    System.out.println(b * c);
                    break;
                case 4:
                    System.out.println(b / c);
            }
        }

        scanner.close();
    }
}

## [a621](https://zerojudge.tw/ShowProblem?problemid=a621)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();

        for (int i = 0; i <= a; i++) {
            int b = (int) Math.pow(2, i);
            System.out.println("2^" + i + " = " + b);
        }

        scanner.close();
    }
}

# b

## [b294](https://zerojudge.tw/ShowProblem?problemid=b294)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int N = scanner.nextInt();
        int ans = 0;
        for (int i = 1; i <= N; i++) {
            int tmp = scanner.nextInt();
            ans += tmp * i;
        }
        System.out.println(ans);
        scanner.close();
    }
}

## [b558](https://zerojudge.tw/ShowProblem?problemid=b558)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNext()) {
            
            int n = scanner.nextInt();
        
            System.out.println(1 + n * (n - 1) / 2);
        }

        scanner.close();
    }
}

## [b877](https://zerojudge.tw/ShowProblem?problemid=b877)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c;

        if (b > a) {
            c = b - a;
            System.out.println(c);
        } else if (a > b) {
            c = 100 - a + b;
            System.out.println(c);
        } else if (a == b) {
            c = 1;
            System.out.println(c);
        }
        

        scanner.close();
    }
}

## [b968](https://zerojudge.tw/ShowProblem?problemid=b968)

import java.util.Scanner;

public class Main {
    public static void main (String [] args) {
        Scanner scanner = new Scanner(System.in);
        
        String name1 = scanner.nextLine();
        String name2 = scanner.nextLine();

        System.out.println(name1 + " and " + name2 + " sitting in the tree");

        scanner.close();
    }
}

## [b969](https://zerojudge.tw/ShowProblem?problemid=b969)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String namesLine = scanner.nextLine();
        String[] names = namesLine.split(" ");

        String greeting = scanner.nextLine();

        for (String name : names) {
            System.out.println(greeting + ", " + name);
        }

        scanner.close();
    }
}

## [b970](https://zerojudge.tw/ShowProblem?problemid=b970)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();

        for (int i = 1; i <= a; i++) {
            System.out.println(i + ". " + "I don't say swear words!");
        }

        scanner.close();
    }
}

# c

## [c186](https://zerojudge.tw/ShowProblem?problemid=c186)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String name = scanner.nextLine();

        String[] stuname = name.split(" ");

        for (String i : stuname) {
            System.out.println(i);
        }
        
        scanner.close();
    }
}

## [c379](https://zerojudge.tw/ShowProblem?problemid=c379)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();

        double b = a * 0.3;

        System.out.println((int) b);
        
        scanner.close();
    }
}

## [c419](https://zerojudge.tw/ShowProblem?problemid=c419)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        byte a = scanner.nextByte();

        for (int i = 1; i <= a; i++) {
            
            for (int k = a - i; k > 0; k--) {
                System.out.print("_");
            }
            
            for (int j = 1; j <= i; j++) {
                System.out.print("*");
            }
            System.out.println(); 
        }

        scanner.close();
    }
}

## [c420](https://zerojudge.tw/ShowProblem?problemid=c420)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        byte a = scanner.nextByte();

        for (int b = 1; b <= a; b++) {
            // 空格
            for (int i = 0; i < a - b; i++) {
                System.out.print("_");
            }
            // *
            for (int i = 0; i < 2 * b - 1; i++) {
                System.out.print("*");
            }
            // 空格
            for (int i = 0; i < a - b; i++) {
                System.out.print("_");
            }
            System.out.println(); // 換行
        }

        scanner.close();
    }
}

## [c717](https://zerojudge.tw/ShowProblem?problemid=c717)

import java.util.Scanner;

public class Main {
    public static void main (String [] args) {
        Scanner scanner = new Scanner(System.in);
        
        String a = scanner.nextLine();

        System.out.println(a + " " + a);

        scanner.close();
    }
}

# d

## [d065](https://zerojudge.tw/ShowProblem?problemid=d065)

import java.util.Scanner;
import java.util.ArrayList;
import java.util.Collections;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();

        ArrayList<Integer> MAX = new ArrayList<Integer>();
        MAX.add(a);
        MAX.add(b);
        MAX.add(c);

        int max = Collections.max(MAX);

        System.out.println(max);

        scanner.close();
    }
}

## [d070](https://zerojudge.tw/ShowProblem?problemid=d070)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNext()) {
            int year = scanner.nextInt();

            if (year == 0) {
                break;
            }
            
            if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) {
                System.out.println("a leap year");
            } else {
                System.out.println("a normal year");
            }
        }

        scanner.close();
    }
}

## [d074](https://zerojudge.tw/ShowProblem?problemid=d074)

import java.util.Scanner;
import java.util.ArrayList;
import java.util.Collections;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int totalPC = scanner.nextInt();

        ArrayList<Integer> computers = new ArrayList<Integer>();
        
        for (int i = 1; i <= totalPC; i++) {
            int pcCount = scanner.nextInt();
            computers.add(pcCount);
        }

        System.out.println(Collections.max(computers));

        scanner.close();
    }
}

## [d290](https://zerojudge.tw/ShowProblem?problemid=d290)

public class Main {
    public static void main(String[] args) {
        System.out.println("33550336");
    }
}

## [d294](https://zerojudge.tw/ShowProblem?problemid=d294)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNext()) {
            int a = scanner.nextInt();
            int b = scanner.nextInt();
            long c = (a * (a + 1) * b * (b + 1)) / 4;
            System.out.println(c);
        }

        scanner.close();
    }
}

## [d461](https://zerojudge.tw/ShowProblem?problemid=d461)

import java.util.Scanner;

public class Main {
    public static void main (String[] args) {
        Scanner scanner = new Scanner(System.in);
        
        int a = scanner.nextInt();

        System.out.println(a - 1);

        scanner.close();
    }
}

## [d490](https://zerojudge.tw/ShowProblem?problemid=d490)

import java.util.Scanner;

public class Main {
    public static void main (String [] args) {
        Scanner scanner = new Scanner(System.in);
        
        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int sum = 0;

        for (int i = a; i <= b; i++) {
            if (i % 2 == 0) {
                sum += i;
            }
        }

        System.out.println(sum);


        scanner.close();
    }
}

## [d570](https://zerojudge.tw/ShowProblem?problemid=d570)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();

        while (a > 0) {
            System.out.println(a);
            a /= 10;
        }

        scanner.close();
    }
}

## [d579](https://zerojudge.tw/ShowProblem?problemid=d579)

import java.util.Scanner;
import java.text.DecimalFormat;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        DecimalFormat df = new DecimalFormat("0.0000");

        while (scanner.hasNextDouble()) {
            double a = scanner.nextDouble();

            if (a > 0) {
                System.out.println("|" + df.format(a) + "|=" + df.format(a));
            } else {
                System.out.println("|" + df.format(a) + "|=" + df.format(-a));
            }
        }

        scanner.close();
    }
}

## [d581](https://zerojudge.tw/ShowProblem?problemid=d581)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNext()) {
            int count = scanner.nextInt();

            for (int i = 1; i <= count; i++) {
                System.out.println("=_=|||");
            }
        }

        scanner.close();
    }
}

# e

## [e189](https://zerojudge.tw/ShowProblem?problemid=e189) (使用％)

import java.util.Scanner;

public class Main {
    public static void main (String[] args) {
        Scanner scanner = new Scanner(System.in);

        while (scanner.hasNext()) {
            int a = scanner.nextInt();

            if (a % 3 == 0) {
                System.out.println("YES");
            } else {
                System.out.println("NO");
            }

        }

        scanner.close();
    }
}

## [e343](https://zerojudge.tw/ShowProblem?problemid=e343)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int w = scanner.nextInt();
        double h = scanner.nextDouble();
        double bmi = w / (h * h);

        bmi = Math.round(bmi * 10) / 10.0;

        System.out.println(bmi);

        scanner.close();
    }
}

## [e926](https://zerojudge.tw/ShowProblem?problemid=e926)

public class Main {
    public static void main(String[] args) {

        System.out.println("|'o'|");
        System.out.println("\\^_^/");
        System.out.println("(\"o\")");
        System.out.println("[-%-]");
        
    }
}

# f

## [f043](https://zerojudge.tw/ShowProblem?problemid=f043)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a, b, c;
        c = scanner.nextInt();
        a = scanner.nextInt();

        if (a != c) {
            b = c - a;
        } else {
            b = a - 3;
            a = c - b;
        }

        if (a > b) {
            int temp = a;
            a = b;
            b = temp;
        }

        System.out.println(a + "+" + b + "=" + c);

        scanner.close();
    }
}

## [f165](https://zerojudge.tw/ShowProblem?problemid=f165)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();
        int b = scanner.nextInt();

        if (b == 0) {
            System.out.println("OK!");
        } else {
            if (a % b != 0) {
                System.out.println(a % b);
            } else {
                System.out.println("OK!");
            }
        }

        scanner.close();
    }
}

## [f345](https://zerojudge.tw/ShowProblem?problemid=f345)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        // 輸入Ｎ
        int N = scanner.nextInt();
        
        // 把Ｎ個入自加入numbers陣列
        int[] numbers = new int[N];
        for (int i = 0; i < N; i++) {
            numbers[i] = scanner.nextInt();
        }

        // 逆輸出
        for (int i = N - 1; i >= 0; i--) {
            System.out.print(numbers[i]);
            if (i > 0) {
                System.out.print(" "); // 空格
            }
        }

        scanner.close();
    }
}

## [f700](https://zerojudge.tw/ShowProblem?problemid=f700)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String a = scanner.nextLine();
        System.out.println(a);

        for (int i = 1; i <= a.length(); i++) {
            System.out.print("~");
        }

        scanner.close();
    }
}

## [f775](https://zerojudge.tw/ShowProblem?problemid=f775)

public class Main {
    public static void main(String[] args) {

        System.out.println("_xdddd");

    }
}

## [f925](https://zerojudge.tw/ShowProblem?problemid=f925)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int m = scanner.nextInt();
        int d = scanner.nextInt();

        if (m == 6 && d == 12) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }

        scanner.close();
    }
}

# g

## [g216](https://zerojudge.tw/ShowProblem?problemid=g216)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = scanner.nextInt();

        System.out.println("2^(10^" + n + ")");

        scanner.close();
    }
}

## [g496](https://zerojudge.tw/ShowProblem?problemid=g496)

import java.util.Scanner;

public class Main {
    public static void main (String [] args) {
        Scanner scanner = new Scanner(System.in);
        
        int a = scanner.nextInt();
        int b = scanner.nextInt();

        if (b % a == 0) {
            System.out.println(b / a);
        } else if (b % a != 0) {
            System.out.println(b / a + 1);
        }

        scanner.close();
    }
}

# h

## [h213](https://zerojudge.tw/ShowProblem?problemid=h213)

public class Main {
    public static void main(String[] args) {

        int n = 1023;
        int a = n * (n + 1) * (2 * n + 1) / 6;
        System.out.println(a);

    }
}

## [h291](https://zerojudge.tw/ShowProblem?problemid=h291)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String[] array = {"January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"};        

        byte a = scanner.nextByte();

        String m = array[a - 1];
        System.out.println(m);

        scanner.close();
    }
}

# i

## [i722](https://zerojudge.tw/ShowProblem?problemid=i722)

public class Main {
    public static void main(String[] args) {

        System.out.println("Snail is \"handsome.\"");

    }
}

# k

## [k137](https://zerojudge.tw/ShowProblem?problemid=k137)

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();
        int b = scanner.nextInt();

        int c = (int) Math.pow(a, b);

        System.out.println(a + "^" + b + " = " + c);

        scanner.close();
    }
}