/*
 * 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;
	int answ;
	while (true) {
		cout << u << " " << r << endl;
		cout.flush();
		cin >> answ;
		if (answ == 0) {
			break;
		}
		if (answ > 0) {
			d = u;
			--r;
		} else {
			++u;
		}
		cout << d << " " << l << endl;
		cout.flush();
		cin >> answ;
		if (answ == 0) {
			break;
		}
		if (answ < 0) {
			d = u;
			++l;
		} else {
			--d;
		}
	}
	return 0;
}