#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;

int main() {
  string s;
  cin >> s;
  map<string, string> mp;
  mp["Zelkova"] = "1st";
  mp["BANNED"] = "2nd";
  mp["Stray"] = "3rd";
  mp["Early"] = "4th";
  mp["Do"] = "Alpha";
  cout << mp[s] << endl;
  return 0;
}