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

int main() {
  int x, y;
  cin >> x >> y;
  cout << x*y << " " << x*y << endl;
  for(int i=0; i<x; i++) {
    for(int j=0; j<y-1; j++) {
      cout << y*i+j+1 << " " << y*i+j+2 << endl;
    }
  }
  for(int i=0; i<x; i++) {
    cout << (i+1)*y << " " << ((i+1)%x+1)*y << endl;
  }
}