#include <iostream>
using namespace std;
int main(){
int n, m;
cin >> n >> m;
//控制行数
for(int i = 0,k=1; i < n; i++){
//控制列数
for(int j = 0; j <m-1; j++){
cout << k << " ";
k++;
}
cout << "PUM" << endl;
k++;
}
return 0;
}