## 7/16

# for reading line input containg several int
list(map(int,input().split(" ")))

1. https://open.kattis.com/problems/judgingmoose
2. https://open.kattis.com/problems/speedlimit
3. 1A2B:電腦出題讓玩家猜，告訴玩家?A?B

## 7/18
1. https://open.kattis.com/problems/tetris (Hard)
2. https://open.kattis.com/problems/toktik (Easy)
3. https://open.kattis.com/problems/babybites (Easy)
4. https://open.kattis.com/problems/tarifa (Easy)

## 7/22
1. https://open.kattis.com/problems/nodup (easy)
2. https://open.kattis.com/problems/sevenwonders (easy)
3. https://open.kattis.com/problems/weakvertices (hard)

## 7/23
1. https://open.kattis.com/problems/soylent (easy)
2. https://open.kattis.com/problems/cetiri (easy)
3. https://zerojudge.tw/ShowProblem?problemid=a290 (Hard)

## 7/29

f=open("filename","mode")
f.read()
f.write()
...

https://www.w3schools.com/python/python_file_handling.asp
https://www.runoob.com/python/python-func-open.html

## 7/30
File: [words.txt](https://drive.google.com/file/d/1MkWOOZ3Ms0xixUv00rhhD5qU5GMQAcqS/view?usp=drivesdk)
Have the user choose following function
- Rank the letters (case insensitive) according to their numbers of appearances in descending order.
- How many words have the same first and last letters?
- List the words that are unchanged when reversed.
- Find the sets of words that can be derived from each other by arranging the comprising letters.
- Input letter, and caculate how many words start/end with the input letter.

## 8/1
1. 1A2B Guesser (TODO)
2. https://zerojudge.tw/ShowProblem?problemid=b291

## 8/5
1. 隨便kattis兩題
2. https://zerojudge.cchs.chc.edu.tw/ShowProblem?problemid=a320
3. ZJ b291

n=int(input())
data={}
ani=[]
an=set()
for _ in range(n):
    animal,count,loc=input().split()
    if animal not in an:
        ani.append(animal)
        an.add(animal)
    count=int(count)
    locd=data.get(loc,{})
    locd[animal]=locd.get(animal,0)+count
    data[loc]=locd

s=""
for loc,locd in data.items():
    s+=loc+" : "
    sa=sorted(locd,key=ani.index)
    for animal in sa:
        s+=animal+" "+str(locd[animal])+", "
    s=s[:-2]
    s+="\n"
s=s[:-1]
print(s)

## 2025/1/20
https://open.kattis.com/problems/oddities
https://open.kattis.com/problems/stopwatch