/*
 * main.cpp
 *
 *  Created on: 2016 febr. 12
 *      Author: magistvan
 */

#include <iostream>
using namespace std;

int main() {
	int u = 0, d = 199, l = 0, r = 199;
	cout << (int) ((u + d) / 2) << " " << (int) ((l + r) / 2) << endl;
	cout.flush();
	int answ;
	cin >> answ;
	while (answ != 0) {
		if (answ < 0) {
			u = (int) ((u + d) / 2);
			l = (int) ((l + r) / 2);
		} else {
			d = (int) ((u + d) / 2);
			r = (int) ((l + r) / 2);
		}
		if ((d - u == 1) && (r - l == 1)) {
			cout << u << " " << l + 1 << endl;
			cout.flush();
			cin >> answ;
			if (answ != 0) {
				cout << u + 1 << " " << l << endl;
				cout.flush();
				cin >> answ;
			}
			if (answ != 0) {
				cout << u + 1 << " " << l + 1 << endl;
				cout.flush();
				cin >> answ;
			}
		} else {
			cout << (int) ((u + d) / 2) << " " << (int) ((l + r) / 2) << endl;
			cout.flush();
			cin >> answ;
		}
	}
	return 0;
}