#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
  #define _GLIBCXX_DEBUG
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

inline string hex2oct(string hex) {
  int dec = stoi(hex, nullptr, 16);
  string oct = "";
  while (dec > 0) {
    oct = to_string(dec % 8) + oct;
    dec /= 8;
  }
  Debug(hex, oct);
  return oct;
}

int main() {
  string s;
  cin >> s;
  vector<int> cnt(8, 0);
  string t = "";
  reverse(s.begin(), s.end());
  for (char c : s) {
    if (t.size() == 3) {
      reverse(t.begin(), t.end());
      string u = hex2oct(t);
      for (char d : u) cnt[d - '0']++;
      t = "";
    }
    t += c;
  }
  if (t.size() > 0) {
    reverse(t.begin(), t.end());
    string u = hex2oct(t);
    for (char d : u) cnt[d - '0']++;
  }

  int maxim = 0;
  rep(i, 8) maxim = max(maxim, cnt[i]);
  Debug(maxim);
  rep(i, 8) {
    if (cnt[i] == maxim) cout << i << " ";
  }
  cout << endl;
  return 0;
}