#include<cstdlib>
#include<vector>
#include<queue>
#include<map>
#include<cctype>
#include<string>
#include<cstring>
#include<algorithm>
using namespace std;

#define fisier 0

#if fisier
 #include<fstream>
 ifstream cin("fisier.in");
 ofstream cout("fisier.out");
#else
 #include<iostream> 
#endif

int x,y,v;

int main(){     
    v = -1;
    x = 199;
    y = 199;
    while(v != 0)
    {
      cout<<x<<" "<<y;
      cout.flush();
      cin>>v;
      if(v>0) x /= 2, y /= 2;
      else x += x/2, y += y/2;
    }
    
    #if fisier
     cin.close();
     cout.close();
    #endif
    return 0;
}