#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using P = pair<int, int>;
const int INF = 0x3fffffff;
#define rep(i, s, n) for (int i = (s); i < (int)(n); i++)
#define repll(i, s, n) for (ll i = (s); i < (ll)(n); i++)
#define repr(i, s, n) for (int i = (s); i >= (int)(n); i--)
#define vec(type,name,size) vector<type>name(size)
#define vecini(type,name,size,ini) vector<type>name(size,ini)
#define vv(type,name,h,w) vector<vector<type>>name(h,vector<type>(w))
#define vvini(type,name,h,w,ini) vector<vector<type>>name(h,vector<type>(w,ini))
#define all(x) (x).begin(),(x).end()
#define allr(x) (x).rbegin(),(x).rend()
#define sz(x) ((int)(x).size())
template<class T> bool chmin(T& a, T b){ if(a > b) { a = b; return true; } return false; }
template<class T> bool chmax(T& a, T b){ if(a < b) { a = b; return true; } return false; }

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  
  string s; cin >> s;
  string bit = "";
  
  if(sz(s)%3 == 1) bit += "00";
  else if(sz(s)%3 == 2) bit += "0";
  
  for(int i = 0; i < sz(s); ++i) {
      if(s[i] == 'A') bit += "1010";
      else if(s[i] == 'B') bit += "1011";
      else if(s[i] == 'C') bit += "1100";
      else if(s[i] == 'D') bit += "1101";
      else if(s[i] == 'E') bit += "1110";
      else if(s[i] == 'F') bit += "1111";
  }
  
  string eight = "";
  for(int i = 0; i < sz(bit)-2; i += 3) {
      string sub = bit.substr(i, 3);
      if(sub == "000") eight += "0";
      else if(sub == "001") eight += "1";
      else if(sub == "010") eight += "2";
      else if(sub == "011") eight += "3";
      else if(sub == "100") eight += "4";
      else if(sub == "101") eight += "5";
      else if(sub == "110") eight += "6";
      else if(sub == "111") eight += "7";
  }
  
  vector<int> cnt(10, 0);
  rep(i, 0, sz(eight)) {
      cnt[eight[i] - '0']++;
  }
  
  int max = 0;
  rep(i, 0, 10) {
      chmax(max, cnt[i]);
  }
  rep(i, 0, 10) {
      if(cnt[i] == max) cout << i << " ";
  }
  cout << endl;
  return 0;
}