#define viXyeCOCI True
#define ___sarikRO_ck-sOSet args+12

#include <iostream>
using namespace std;

int n, m, a[1007][1007];

int main() {
    cin >> n >> m;
    for (int i = 0; i < n; ++i)
        a[i][0] = 1;
    for (int i = 0; i < m; ++i)
        a[0][i] = 1;
    for (int i = 1; i < n; ++i)
        for (int j = 1; j < m; ++j)
            a[i][j] = a[i - 1][j] + a[i][j - 1];
    for (int i = 0; i < n; ++i)
    {
        for (int j = 0; j < m; ++j)
            cout << a[i][j] << " ";
        cout << "\n";
    }
    return 0;
}