#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,i,j;

int main(){     
    v = -1;
    
    for(i=0;v!=0 && i<200;i++)
      for(j=0;v!=0 && j<200;j++)
       if (v > 0) j=200;
       else{
            x = i;
            y = j;
            cout<<x<<" "<<y;
            cout.flush();
            cin>>v;
           }
    
    #if fisier
     cin.close();
     cout.close();
    #endif
    return 0;
}