#define _CRT_SECURE_NO_WARNINGS
#define _USE_MATH_DEFINES

#include "bits/stdc++.h"
#define REP(i,a,b) for(i=a;i<b;++i)
#define rep(i,n) REP(i,0,n)
#define ll long long
#define ull unsigned ll
typedef long double ld;
#define ALL(a) begin(a),end(a)
#define ifnot(a) if(not a)
#define dump(x)  cerr << #x << " = " << (x) << endl
using namespace std;

// #define int ll
bool test = 0;
int dx[] = { 0,1,0,-1 };
int dy[] = { 1,0,-1,0 };
#define INF (1 << 28)
ull mod = (int)1e9 + 7;
//.....................
#define MAX (int)1e6 + 5

ll x, y;

signed main(void) {
	ll i, j, k, l;
	rep(i, 10) REP(j, i + 1, 10) REP(k, j + 1, 10) REP(l, k + 1, 10) {
		cout << i << " " << j << " ";
		cout << k << " " << l << endl;
		cin >> x >> y;
		if (x + y == 4) goto part2;
	}

part2:;
	vector<ll> tmp_ans = { i,j,k,l };
	do {
		rep(i, tmp_ans.size()-1) {
			cout << tmp_ans[i] << " ";
		}
		cout << tmp_ans[tmp_ans.size() - 1] << endl;
		cin >> x >> y;
		if (x == 4) return 0;
	} while (next_permutation(ALL(tmp_ans)));
}