#include <bits/stdc++.h>

using namespace std;

# define pb push_back
# define mp make_pair
# define FORN( a , b , c ) for ( int a = b ; a <= c ; ++ a )
# define FORNBACK( a , b , c ) for ( int a = b ; a >= c ; -- a )

vector < pair < int , int > > diag [ 590 ] ;

/// 499

int main()
{
    ios :: sync_with_stdio ( false ) ;

    //freopen( "input" , "r" , stdin ) ;
    //freopen( "output" , "w" , stdout ) ;
    FORN ( i , 0 , 199 )
        FORN ( j , 0 , 199 )
            diag [ j - i + 200 ].pb ( mp ( i , j ) ) ;
    FORN ( i , 1 , 499 )
    {
        int st = 0 ;
        int dr = diag [ i ].size ( ) - 1 ;
        while ( st <= dr ) {
            int mij = ( st + dr ) >> 1 ;
            cout << diag [ i ] [ mij ] .first << ' ' << diag [ i ] [ mij ].second << '\n' ;
            cout.flush() ;
            int sol ;
            cin >> sol ;
            if ( sol < 0 ) st = mij + 1 ;
            if ( sol > 0 ) dr = mij - 1 ;
            if ( sol == 0 ) exit ( 0 ) ;
        }
    }
    return 0 ;
}