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

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