#include<stdio.h>

int n , arr[100][100] = {0} , i = 0 , j =0;

void Nhapmt()
{
    scanf("%d",&n);
    for (i =0 ; i < n ; i++)
    {
        for (j =0 ; j < n ; j++)
        {
            scanf("%d",&arr[i][j]);
        }
    }

}

int CotLonNhat()
{
    int tong =0 , max = 0 , temp = 0 ;
    for (i =0 ; i < n ; i++)
    {
        for (j =0 ; j < n ; j++)
        {
            tong += arr[j][i];
        }
        if (tong > max)
        {
            max = tong ;
        }
        tong = 0;
    }
    for (i =n-1 ; i>=0 ; i--)
    {
        for (j =0 ; j < n ; j++)
        {
            tong += arr[j][i];
        }
        if (tong == max)
        {
            temp = i;
        }
        tong = 0;
    }
    return temp;
}

int main()
{
    Nhapmt();
    printf("%d \n",CotLonNhat() + 1);

    for (i =0 ; i < n ; i++)
    {
        for (j =0 ; j < n; j++)
        {
            if (j == CotLonNhat())
            {
                printf("%d ",arr[i][j]);

            }
        }

    }

    return 0;
}