#include <bits/stdc++.h>
using namespace std;

#ifdef LOCAL
    #define eprintf(...) fprintf(stderr, __VA_ARGS__)
#else
        #define eprintf(...) 42
#endif

#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define repi(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define all(x) (x).begin(),(x).end()
#define foreach(u,v) for(auto (u) : (v))
#define pb push_back
#define mp make_pair
#define mt make_tuple

typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef pair<ll, ll> pll;
typedef vector<ll> vl;

const int inf = 1e9;
const ll linf = 1LL<<60;
const ll mod = 1e9 + 7;
const double eps = 1e-9;

/*
*/

int ask(string s)
{
  cout << s << endl;

  int x;
  cin >> x >> s;
  return x;
}

int main()
{
  int ret;
  string ans = "0123456789";
  vi cnt(10);
  int zero = -1;
  rep(i, 10){
    string t;
    rep(j, 10) t += (i+'0');
    ret = ask(t);
    if(ret == 10) return 0;
    if(ret == 0) zero = i;
    cnt[i] = ret;
  }

  if(zero == -1){
    int x, y;
    rep(i, 10){
      string t;
      rep(j, 10){
        if(i == j) t += '1';
        else t += '0';
      }
      ret = ask(t);
      if(ret == 10) return 0;
      if(ret == 2) x = i;
    }
    rep(i, 10){
      string t;
      rep(j, 10){
        if(i == j) t += '0';
        else t += '1';
      }
      ret = ask(t);
      if(ret == 10) return 0;
      if(ret == 2) y = i;
    }
    ans[x] = '1';
    ans[y] = '0';
    repi(i, 2, 10){
      rep(j, 10){
        string t;
        rep(k, 10){
          if(j == k) t += (i+'0');
          else{
            if(x != k) t += '1';
            else t += '0';
          }
        }
        ret = ask(t);
        if(ret == 10) return 0;
        if(ret) ans[j] = i+'0';
      }
    }
  }else{
    rep(i, 10) if(cnt[i]){
      rep(j, 10){
        string t;
        rep(k, 10){
          if(j == k) t += (i+'0');
          else t += (zero+'0');
        }
        ret = ask(t);
        if(ret == 10) return 0;
        if(ret) ans[j] = i+'0';
      }
    }
  }

  cout << ans << endl;
  
  return 0;
}