#include <bits/stdc++.h>
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 = 1; j <= y-1; j++) {
			cout << i*y + j << ' ' << i*y+j+1 << '\n';
		}
	}
	for (int i = 1; i <= x; i++) {
		cout << y*i << ' ' << (i == x ? y : y*(i+1)) << endl;
	}
}