#include <iostream>
using namespace std;
int main()
{
    /*
    int N,M;                            
    int i = 1,j = 1;
    cin >> N >> M;

    while (i >= 1 && i <= N) {
        int j = 1;
        while (j >= 1 && j <= M) {
            if (j != M) {
                cout << M *i - (M - j);
                if (j < M) cout << " ";
            } else {
                cout << "PUM" << endl;
            }
            j += 1;
        }

        i += 1;

    }
    */


    int n,m;
    cin >> n >> m;

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