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

int query(int x, int y) {
    cout << x << " " << y << endl;
    int d;
    cin >> d;
    return d;
}

int main() {
    int lim = 1000000000;
    int d1 = query(0, 0);
    int d2 = query(lim, 0);

    int ax = (d1 + lim - d2) / 2;
    int ay = (d1 + d2 - lim) / 2;

    cout << ax << " " << ay << endl;
}