// yukicoder: No.514 宝探し３
// 2019.7.16 bal4u

#include <stdio.h>
#include <stdlib.h>

#define MAX 1000000000

int ask(int x, int y) {
	int d;
	printf("%d %d\n", x, y), fflush(stdout);
	scanf("%d", &d);
	if (d == 0) exit(0);
	return d;
}

int main()
{
	int x, y, dl, dr;

	dl = ask(0,0), dr = ask(MAX, 0);
	if (dl == dr) x = MAX/2;
	if (dl > dr) x = ((dl-dr) + MAX) / 2;
	else x = (MAX-(dr-dl)) / 2;
	
	dl = ask(x, 0), dr = ask(x, MAX);
	if (dl == dr) y = MAX/2;
	if (dl > dr) y = ((dl-dr) + MAX) / 2;
	else y = (MAX-(dr-dl)) / 2;
	
	ask(x, y);
	return 0;
}