#include <bits/stdc++.h>
#define REP(i,n,N) for(int i=(n);i<(int) N;i++)
#define p(s) cout<<(s)<<endl
using namespace std;

int main(){
	string s="0000000000",tmp;
	int ok;
	p(s);
	cin>>ok>>tmp;
	if(ok == 10) return 0;
	int cnt=ok;
	REP(i,0,10){
		REP(j,0,10){
			s[i]++;
			p(s);
			cin>>ok>>tmp;
			if(ok == 10) return 0;
			if(cnt<ok){
				cnt=ok;
				break;
			}else if(cnt>ok){
				s[i]--;
				break;
			}
		}
	}
	return 0;
}