#include<iostream>
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; j++){
                        if(j==y-1 && i == x-1){
                                cout << i+y*j << " " << i+y*j+1-x << endl;
                        }else if(j==y-1){
                                cout << i+y*j << " " << i+y*j+1 << endl;
                        }else{
                                cout << i+y*j << " " << i+y*(j+1) << endl;
                        }
                }
        }
}