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

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