#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
    cin >> n;
    if (n <= 0)
    {
        cout << "Error";
        return 0;
    }
    for (int i = 1; i <= n; ++i)
    {
        for (int j = 1; j <= n; ++j)
        {
            cout << i << "x" << j << "=" << setw(2) << i * j;
            if (j < n)
                cout << " ";
        }
        cout << endl;
    }
    return 0;
}