#include<iostream>

using namespace std;

int main()
{
    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;
}