#include <bits/stdc++.h>

using namespace std;

#define FOR(i,a,b) for(int i=(a);i<(b);i++)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()

template<typename A, typename B> inline bool chmax(A &a, B b) { if (a<b) { a=b; return 1; } return 0; }
template<typename A, typename B> inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; }

typedef unsigned long long ull;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const ll INF = 1ll<<29;
const ll MOD = 1000000007;
const double EPS  = 1e-10;

int query(int x, int y) {
	printf("%d %d\n", x, y);
	fflush(stdout);
	int res;
	scanf("%d", &res);
	return res;
}

int main() {
	int ten9 = 1000000000;
	
	int d1 = query(0, 0);
	if (d1 == 0) return 0;
	
	int d2 = query(0, ten9);
	if (d2 == 0) return 0;
	
	int x = ((ll)d1 + d2 - ten9) / 2;
	int y = -x + d1;
	
	query(x, y);
		
	return 0;
}