题解

#include<iostream>
#include<cstdio>
#include<cstdlib>
using namespace std; 
int main ()
{
    int a, b, s, max = 0, i, day=0;  
    for (i = 1; i < 8; i++) 
      {
        cin >> a >> b;    
        s = a + b;
        if ((s > max) && (s > 8)) max = s, day = i;  
      }
    cout<< day; 
    return 0;             
}