#include
using namespace std;
int main(){
int a[1000][1000] = {0};
int m, n;
cin >> m >> n;
//iterate over the array
int val = 1;
for (int row = 0; row <= m-1; row++){
for (int col = 0; col <= n-1; col++){
a[row][col] = val;
val = val + 1;
cout << a[row][col] << " ";
}
cout << '\n';
}
}