#include<iostream> 
using namespace std;
int main()
{
	int a[7] ,b[7] , c[7] , d[7],temp = 0,g;
	for(int i = 0; i <=6 ;i++)
	{
		cin >> a[i] >> b[i];
		c[i] = a[i] + b[i];
		
		d[i] = c[i];
	}
	for(int i = 0;i <= 6;i++)
	{
		int t = 1;
		for(int j = 0;j <= 6;j++)
		{
			
			if(d[j] < d[j+1])
			{
				temp = a[j];
				a[j] = a[j+1];
				a[j+1] = temp;
				t = 0;
			}
			
		}
		if(t = 1)
		break;
	}
             
	if(d[0] > 8)
	{
		for(int i = 0;i <=6;i++)
		{
			
			if(c[i] = d[0])
			{
				g = i + 1;
				break;
			}
		}
		cout << g ;
	}
	else
	{
		cout << "0";
	}
	return 0;
}

总是输出0