#include <iostream>
#include <vector>
#include <algorithm>
#include <climits>

using namespace std;
using ll = long long;

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

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

    return 0;
}