#include <iostream>

using namespace std;

int main() {
    int n, m, k, nom;
    cin >> m >> n;
    if (n == m) {
        cout << -1 << "\n";
    }
    else {
        if (m > n) cout << 1 << " " << m - n << "\n";
        else cout << 2 << " " << n - m << "\n";
    }
    fflush(stdout);
    while(true) {
        cin >> nom;
        if (k == -1) break;
        cin >> k;
        if (nom == 1) cout << 2 << " " << k << "\n";
        else cout << 1 << " " << k << "\n";
        fflush(stdout);
    }
    return 0;
}