# (UVA10469) To Carry or not to Carry :

UVA10469_To_Carry_or_not_to_Carry.cpp

:::info
## 題目
給你num a,b
輸出 Xor(a,b)
:::

#include <bits/stdc++.h>

using namespace std;

int main(){
    int a, b;
    while (cin >> a >> b){
        // Xor
        cout << (a ^ b) << endl;
    }
    return 0;
}