import java.io.;
import java.util.;
public class Main{
public static void main(String args[]) throws Exception{
Scanner cin = new Scanner(System.in);
var N = cin.nextInt();
var M = cin.nextInt();
for(int i = 0,k = 1; i < N; i++)
{
for(int j = 0; j < M - 1; j++)
{
System.out.printf("%d ",k);
k++;
}
System.out.printf("PUM\n");
k++;
}
}
}