#include <iostream>
#include <fstream>
#include <typeinfo>
#include <vector>
#include <stack>
#include <cmath>
#include <set>
#include <map>
#include <string>
#include <algorithm>
#include <cstdio>
#include <queue>
#include <iomanip>
#include <cctype>
#include <random>
#define syosu(x) fixed<<setprecision(x)
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> P;
typedef pair<double,double> pdd;
typedef pair<ll,ll> pll;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<double> vd;
typedef vector<vd> vvd;
typedef vector<ll> vl;
typedef vector<vl> vvl;
typedef vector<char> vc;
typedef vector<vc> vvc;
typedef vector<string> vs;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<P> vp;
typedef vector<vp> vvp;
typedef vector<pll> vpll;
typedef pair<int,P> pip;
typedef vector<pip> vip;
const int inf=1<<30;
const ll INF=1ll<<57;
const double pi=acos(-1);
const double eps=1e-6;
const ll mod=1e9+7;
const int dx[4]={0,1,0,-1},dy[4]={1,0,-1,-0};
const int DX[8]={-1,-1,-1,0,1,1,1,0},DY[8]={1,0,-1,-1,-1,0,1,1};

const int e=100000;

int main(){
	int s=-1,t=e,r;
	cout<<e<<' '<<0<<endl;
	cin>>r;
	while(t-s>1){
		int m=(s+t)/2,f;
		cout<<m<<' '<<0<<endl;
		cin>>f;
		if(e-m==r-f) t=m;
		else s=m;
	}
	cout<<t<<' '<<e<<endl;
	cin>>r;
	int S=-1,T=e;
	while(T-S>1){
		int m=(S+T)/2,f;
		cout<<t<<' '<<m<<endl;
		cin>>f;
		if(e-m==r-f) T=m;
		else S=m;
	}
	cout<<t<<' '<<T<<endl;
}