#include <iostream>
#include <list>
using namespace std;

list<int*> pt;

void est(const int o[], const int n[], int& x, int& y)
{
	x = y = 0;
	for ( int i = 0; i < 4; i++ ) {
		if ( o[i] == n[i] ) {
			x++;
		}
		else {
			for ( int j = 0; j < 4; j++ ) {
				if ( o[i] == n[j] ) {
					y++;
					break;
				}
			}
		}
	}
}

void io(int n[], int& x, int& y)
{
	cout << n[0] << " " << n[1] << " " << n[2] << " " << n[3] << endl;
	cin >> x >> y;
}

int main()
{
	for ( int i = 0; i < 10; i++ ) {
		for ( int j = 0; j < 10; j++ ) {
			if ( i == j ) continue;
			for ( int k = 0; k < 10; k++ ) {
				if ( i == k || j == k ) continue;
				for ( int l = 0; l < 10; l++ ) {
				if ( i == l || j == l || k == l ) continue;
					int* n = new int[4] { i, j, k, l };
					pt.push_back(n);
				}
			}
		}
	}

	for ( ;; ) {
		int x, y;
		auto it = pt.begin();
		int n[] = { (*it)[0], (*it)[1], (*it)[2], (*it)[3] };
		io(n, x, y);
		if ( x == 4 ) {
			break;
		}
		do {
			int xt, yt;
			int o[] = { (*it)[0], (*it)[1], (*it)[2], (*it)[3] };
			est(*it, n, xt, yt);
			auto t_it = it++;
			if ( x != xt || y != yt ) {
				pt.erase(t_it);
			}
			else {
				int a = 0;
			}
		}
		while ( it != pt.end() );
	}

	return 0;
}