#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int main(){
    ll 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 <<i*Y+j+1<<" "<<i*Y+j+2<<endl;
        }
        cout <<i*Y+1<<" "<<(i*Y+Y)%(X*Y)+1<<endl;
    }
}