#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (ll)(n); i++)
#define all(a) (a).begin(), (a).end()
using ll = long long;
const int INF32 = 2e9;
const ll INF64 = 4e18;

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