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

int k;

int q(int x, int y) {
	cout << x << " " << y << endl;
	cout.flush();
	int res;
	cin >> res;
	return res;
}

ll sim(int x) {
	int a[2] = { 0, 0 };
	a[k] = x;
	return q(a[0], a[1]);
}

ll findMin(ll from, ll to) {
	for(; to - from > 1;) {
		ll mid = (from + to) / 2;
		(sim(mid - 1) > sim(mid) ? from : to) = mid;
	}
	return from;
}

int main() {
	cin.tie(0);
	ios::sync_with_stdio(false);

	int ans[2];
	for(k = 0; k < 2; k++) {
		ans[k] = findMin(0, 1000001);
	}
	assert(q(ans[0], ans[1]));
}