#include<bits/stdc++.h>
using namespace std;

int x,y;

int main()
{
	int a,b;
	for(int i = 1 ; i <= 8; i++)
	{
		cin>>a>>b;
		if(a + b > x)
		{
        x = a + b;
			y = i;
		}
	}
	cout<<y<<endl;
 	return 0;
}