#include <bits/stdc++.h>
using namespace std;
#define FOR(i, n) for(int i = 0; i < (n); i++)
#define FORR(x, arr) for(auto& x:arr)
#define ITR(x, c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++)
#define MEM(a, x) memset(a, x, sizeof(a))
#define ALL(a) a.begin(), a.end()
#define UNIQUE(a) a.erase(unique(ALL(a)), a.end())
typedef long long ll;
typedef pair<int, int> P;

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

int main(int argc, char const *argv[]) {
	ios_base::sync_with_stdio(false);
	ll d = ask(0, 0);
	ll sx = d/2, sy = d/2;
	if (d & 1) sx++;
	ll _d = ask(sx, sy);
	_d /= 2;
	ll nx = sx+_d, ny = sy-_d;
	if (nx >= 0 && nx <= 1e9 && ny >= 0 && ny <= 1e9) ask(nx, ny);
	nx = sx-_d;
	ny = sy+_d;
	if (nx >= 0 && nx <= 1e9 && ny >= 0 && ny <= 1e9) ask(nx, ny);
	return 0;
}