#include <bits/stdc++.h>
using namespace std;
long long int power(long long int a, long long int b) {
  long long int res = 1;
  a %= 1000000007;
  assert(b >= 0);
  for (; b; b >>= 1) {
    if (b & 1) res = res * a % 1000000007;
    a = a * a % 1000000007;
  }
  return res;
}
long long int modInverse(long long int a) { return power(a, 1000000007 - 2); }
const int N = 500023;
bool vis[N];
vector<int> adj[N];
void solve() {
  int r, c;
  cin >> r >> c;
  if (r == 1 && c == 1) {
    cout << 0 << endl;
    return;
  }
  if (c == 1) {
    for (long long int i = 0; i < r; i++) cout << i + 2 << endl;
    return;
  }
  for (long long int i = 0; i < r; i++) {
    for (long long int j = 0; j < c; j++) {
      cout << (i + 1) * (j + 1 + r) << " ";
    }
    cout << endl;
  }
}
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int T = 1;
  int t = 0;
  while (t++ < T) {
    solve();
  }
  cerr << "Time : " << 1000 * ((double)clock()) / (double)CLOCKS_PER_SEC
       << "ms\n";
}
