大家帮帮忙看一下这道题

#include <iostream>
using namespace std;
int main()
{
    int a,b;
    cin>>a>>b;
    while(a != 0 && b != 0)
    {
          cout<<a+b<<endl;
          cin>>a>>b;
    }
    return 0;
}

Your task is to Calculate a + b._天道酬勤-CSDN博客 一、Your task is to Calculate a + b. Input：The input will consist of a series of pairs of integers a and b, separated by a space, one pair of integers per line. Output：For each pair of input integers https://blog.csdn.net/qq_39356868/article/details/78130019