#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,810,1919);
	}
	printf("%d %d\n",x,y);
	int mh;
	int _=scanf("%d",&mh);
	return mh;
}

int main(){
	random_device rd;
	mt19937 mt(rd());
	array<int,3> a;
	a[0]=a[1]=100000/2;
	a[2]=get(a[0],a[1]);
	while(a[2]){
		array<int,3> b;
		uniform_int_distribution<> xdist(a[0]-a[2],a[0]+a[2]);
		uniform_int_distribution<> ydist(a[1]-a[2],a[1]+a[2]);
		b[0]=xdist(mt);
		b[1]=ydist(mt);
		b[2]=get(b[0],b[1]);
		if(TEST){
			printf("%d,%d,%d\n",b[0],b[1],b[2]);
		}
		if(a[2]>b[2])
			a=b;
	}
	if(TEST){
		printf("getcount=%d\n",getcount);
	}
	return 0;
}