大家帮帮忙看一下这道题

Question

Answer 1

#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;
}