学步园

#include <iostream>
using namespace std;

int main()
{
    int tc, m, n, ans, tmp;
    cin >> tc;
    while (tc--)
    {
         cin >> m >> n;
         tmp = 0;
         while (m)
         {
               tmp = m % 10 + tmp * 10;
               m /= 10;
         } 
         m = tmp;
         tmp = 0;
         while (n)
         {
               tmp = n % 10 + tmp * 10;
               n /= 10;
         }
         n = tmp;
         tmp = m + n;
         ans = 0;
         while (tmp)
         {
               ans = tmp % 10 + ans * 10;
               tmp /= 10;
         }
         cout << ans << endl;
    }
    
    system("pause");
}