#include <iostream>
using namespace std;
int main()
{
int matrice[25][25];
int n;
cin >> n;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= n; j++)
matrice[i][j] = i * j % 10;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= n; j++)
cout << matrice[i][j] << " ";
cout << endl;
}
}