#include <cstdio>
#include <random>
#include <vector>
#include <algorithm>
#include <array>

using namespace std;

const bool TEST=false;

int manhattan(int x1,int y1,int x2,int y2){
	return abs(x1-x2)+abs(y1-y2);
}

int getcount=0;
int get(int x,int y){
	getcount++;
	if(TEST){
		return manhattan(x,y,8101919,364364);
	}
	printf("%d %d\n",x,y);
	fflush(stdout);
	int mh;
	int _=scanf("%d",&mh);
	return mh;
}

int main(){
	int x,y;
	int l,r;
	l=get(0,0);
	r=get(0x7fffffff,0);
	if(TEST)
		printf("%d %d\n",l,r);
	
	x=(l-(r-0x7fffffff))>>1;
	y=l-x;
	printf("%d %d\n",x,y);
	
	if(TEST){
		printf("getcount=%d\n",getcount);
	}
	return 0;
}