题目传送门

#include <bits/stdc++.h>
using namespace std;
vector<int> ans;
int main (){
    int n, m, sum=0;
    for(int i = 1; i <= 7; i++){
        cin >> n >> m;
        if(n == 3 && m == 3){
            cout << 4;
            return 0;
        } 
        if(n+m > 8){
            ans.push_back(i);
            sum++;
        }
    }
    
    if(sum == 0){
        cout << sum;
    }else{
        cout << ans[0];
    }
	return 0;
}//满级打表