#include <iostream>

using namespace std;

int main() {
    int n, m;
    cin >> n >> m;
    int x = 1;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < m-1; j++) {
            cout << x++ << ' ';
            if (j == m - 2){
               cout << "PUM" << endl; 
               x++;
            }
        }
    }
    return 0;
}