#include <bits/stdc++.h>

using namespace std;

#define fst(t) std::get<0>(t)
#define snd(t) std::get<1>(t)
#define thd(t) std::get<2>(t)

using ll = long long;
using P = std::tuple<int,int>;

const int dx[8] = {-1, 1, 0, 0, -1, -1, 1, 1}, dy[8] = {0, 0, -1, 1, -1, 1, -1, 1};

int ask(int x, int y){
    std::cout << x << " " << y << std::endl;
    int d;
    std::cin >> d;

    return d;
}

int main(){
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    int d0 = ask(0, 0),
        d1 = ask(d0, 0),
        x = d0 - d1 / 2, y = d1 / 2;
    std::cout << x << " " << y << std::endl;
    return 0;
}