#include <bits/stdc++.h>
using namespace std;
const int MOD = 1e9 + 7;
const double eps = 1e-9;
const long long INF = 0x3f3f3f3f3f3f3f3fll;
const int inf = 0x3f3f3f3f;
inline int read() {
  int ret = 0, sgn = 1;
  char ch = getchar();
  while (ch < '0' || ch > '9') {
    if (ch == '-') sgn = -1;
    ch = getchar();
  }
  while (ch >= '0' && ch <= '9') {
    ret = ret * 10 + ch - '0';
    ch = getchar();
  }
  return ret * sgn;
}
inline void Out(int a) {
  if (a > 9) Out(a / 10);
  putchar(a % 10 + '0');
}
long long __gcd(long long a, long long b) {
  return b == 0 ? a : __gcd(b, a % b);
}
long long lcm(long long a, long long b) { return a * b / __gcd(a, b); }
long long qpow(int m, int k, int mod) {
  long long res = 1, t = m;
  while (k) {
    if (k & 1) res = res * t % mod;
    t = t * t % mod;
    k >>= 1;
  }
  return res;
}
int Fermat(int a, int p) { return qpow(a, p - 2, p); }
int exgcd(int a, int b, int &x, int &y) {
  if (b == 0) {
    x = 1;
    y = 0;
    return a;
  }
  int g = exgcd(b, a % b, x, y);
  int t = x;
  x = y;
  y = t - a / b * y;
  return g;
}
int mod_reverse(int a, int p) {
  int d, x, y;
  d = exgcd(a, p, x, y);
  if (d == 1)
    return (x % p + p) % p;
  else
    return -1;
}
long long china(int a[], int b[], int n) {
  int M = 1, y, x = 0;
  for (int i = 0; i < n; ++i) M *= a[i];
  for (int i = 0; i < n; ++i) {
    int w = M / a[i];
    int tx = 0;
    int t = exgcd(w, a[i], tx, y);
    x = (x + w * (b[i] / t) * x) % M;
  }
  return (x + M) % M;
}
int r, c;
int main() {
  scanf("%d%d", &r, &c);
  if (r == 1 && c == 1) {
    cout << 0 << endl;
    return 0;
  }
  if (r == 1 || c == 1) {
    if (c == 1) {
      for (int i = 1; i <= r; i++) {
        cout << i + 1 << " ";
      }
    } else {
      for (int i = 1; i <= c; i++) {
        cout << i + 1 << " ";
      }
    }
    return 0;
  }
  for (int i = 1; i <= r; i++) {
    for (int j = 1; j <= c; j++) {
      cout << lcm(i, j + r) << " ";
    }
    cout << endl;
  }
  return 0;
}
