#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main() {
  int X, Y;
  cin >> X >> Y;
  // i -> i+1 -> ... -> i+Y-2 -> i+Y-1
  // i+Y
  // i->i+Y
  cout << X * Y << " " << X * Y << "\n";
  for (int i = 0; i < X * Y; i += Y) {
    for (int j = 0; j < Y - 1; j++) {
      cout << i + j + 1 << " " << i + j + 2 << "\n";
    }
  }
  for (int i = 0; i < X; i++) {
    cout << i * Y + 1 << " " << (i + 1) % X * Y + 1 << "\n";
  }
}