#include<bits/stdc++.h>
using namespace std;
using Int = long long;
template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}

//INSERT ABOVE HERE
Int ask(Int x,Int y){
  cout<<x<<" "<<y<<endl;
  Int z;
  cin>>z;
  if(z==0) exit(0);
  return z;
}

signed main(){
  const Int MAX = 1e9;
  Int a=ask(0,0);
  Int b=ask(MAX,0);
  Int y=(a+b-MAX)/2,x=a-y;
  ask(x,y);
  return 0;
}