#include <iostream>

using namespace std;

int main()
{
    int n, m;
    cin >> n >> m;

    int k = 1;
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m -1; j++)
        {
            cout << k << " ";
            k++;
        }
        cout << "PUM" << endl;
        k++;
    }

    return 0;
}