#include<bits/stdc++.h>
using namespace std;

int main(){
  int minx=0,maxx=100000;
  int miny=0,maxy=100000;
  while(abs(minx-maxx)>3){
    int mid1=(maxx+2*minx)/3;
    int mid2=(minx+2*maxx)/3;
    cout<<mid1<<" "<<0<<endl;
    int d;cin>>d;
    cout<<mid2<<" "<<0<<endl;
    int d2;cin>>d2;
    if(d2>=d){
      maxx=mid2;
    }else{
      minx=mid1;
    }
  }
  int nowmin=999999999;
  int resx=minx;
  for(int i=minx;i<=maxx;i++){
    cout<<i<<" "<<0<<"\n";
    int d;cin>>d;
    if(nowmin>d){
      nowmin=d;
      resx=i;
    }
  }
  while(abs(miny-maxy)>3){
    int mid1=(maxy+2*miny)/3;
    int mid2=(miny+2*maxy)/3;
    cout<<resx<<" "<<mid1<<endl;
    int d;cin>>d;
    cout<<resx<<" "<<mid2<<endl;
    int d2;cin>>d2;
    if(d2>=d){
      maxy=mid2;
    }else{
      miny=mid1;
    }
  }
  int resy=miny;
  nowmin=999999999;
  for(int i=miny;i<=maxy;i++){
    cout<<resx<<" "<<i<<"\n";
    int d;cin>>d;
    if(nowmin>d){
      nowmin=d;
      resy=i;
    }
  }
  cout<<resx<<" "<<resy<<"\n";
  return 0;
}