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

int main(){
    int X, Y, N;
    cin >> X >> Y;
    N = X*Y;

    vector<pair<int, int>> E;
    for (int i = 0; i < N; i++){
        if (i < X) E.emplace_back(i, (i+1)%X);
        else E.emplace_back(i, i-X);
    }

    cout << N << ' ' << N << endl;
    for (auto [u, v] : E) cout << u+1 << ' ' << v+1 << endl;
}