#include <bits/stdc++.h>

using namespace std;


typedef int32_t h_int32;
typedef int64_t h_int64;
typedef uint32_t uh_int32;
typedef uint64_t uh_int64;
typedef h_int64 h_int;

#define REP( i, n ) for(int i = 0; i < ( int )( n ); ++i )
#define REPR( i, n ) for(int i = ( int )( n ); i >= 0; --i)
#define FOR( i, a, n ) for(int i = ( int )( a ); i < ( int )( n ); ++i )
#define FORR( i, a, n ) for(int i = ( int )( n ); i >= ( int )( a ); --i)

#define VINIT( v, type, n )vector<type> v; v.resize( n );
#define VINIT2( v, type, n, a )vector<type> v; v.resize( n, a );
#define VCIN( v, type, n ) VINIT( v, type, n ) REP( i, n ) cin >> v[i];
#define ALL( x ) x.begin(), x.end()

#define DOUT( x ) cerr << #x << " = " << x << "\n"
#define COUT( x ) cout << ( x ) << "\n"



#define INF 999999999

int Check( int x, int y )
{
        cout << x << " " << y << endl;
        int d;
        cin >> d;
        return d;
}

int f( int d_l, int d_r, bool x_fl )
{
        int d;
        int l = 0;
        int r = 100000;
        while(l - r > 1)
        {
                int mid = ( l + r ) / 2;
                if(x_fl) d = Check( mid, 0 );
                else d = Check( 0, mid );
                if( abs( d_r - d ) < abs( d_l - d ) )
                {
                        d_l = d;
                        l = mid;
                }
                else
                {
                        d_r = d;
                        r = mid;
                }
        }
        d_l = Check( l, 0 );
        d_r = Check( r, 0 );
        return d_l < d_r ? l : r;
}

signed main()
{
        ios::sync_with_stdio( false );
        cin.tie( 0 );

        int d_lu, d_ru, d_ld;

        d_lu = Check( 0, 0 );
        d_ru = Check( 100000, 0 );
        d_ld = Check( 0, 100000 );

        int x = f( d_lu, d_ru, true );
        int y = f( d_lu, d_ld, false );

        cout << x << " " << y << endl;
        return 0;
}