#include<stdio.h>

int matrix(int a[100][100],int i,int j)
{
    int p, q, r, s;
    if (a[i][j] == a[0][0])
    {
        p = a[0][0] * ((a[1][1] * a[2][2]) - (a[1][2] * a[2][1]));
    }
    if (a[i][j] == a[0][1])
    {
        q = a[0][1] * ((a[1][2] * a[2][1]) - (a[1][0] * a[2][2]));
    }
    if (a[i][j] == a[0][2])
    {
        r = a[0][2] * ((a[1][0] * a[2][1]) - (a[2][0] * a[1][1]));
    }
    s = p - q + r;
    return matrix(s[i][j],i+1,j+1);
}
int main()
{
    int a[100][100], i, j,n,s;
    scanf("%d", &n);
    for (i = 0; i < n; i++)
    {
        for (j = 0; j < n; j++)
        {
            scanf("%d", &a[i][j]);
        }
    }
    matrix(a, 0, 0);
    printf("Result : %d \n", s);
}