#include<stdio.h>
#include<memory>
using namespace std;

int a[100+2][100+2];
int grade[100+2];


int main()
{
	int n;
	int i,j;
	int maxg;
	while(scanf("%d",&n) != EOF)
	{
		for(i=0;i<n;i++)   //input
			for(j=0;j<n;j++)
				scanf("%d",&a[i][j]);
        memset(grade,0,sizeof(grade));
		for(i=0;i<n;i++)    
			for(j=0;j<n;j++)
			    grade[i] += a[i][j];
		maxg = grade[0];
		for(i=1;i<n;i++)   //output
			if(grade[i] > maxg)
			{
				j = i;
				maxg = grade[i];
			}
		printf("%d\n",j+1);
	}
	return 1;
}