#if !__INCLUDE_LEVEL__
    #include __FILE__

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    map<string, string> ans;

    ans["Zelkova"] = "1st";
    ans["BANNED"] = "2nd";
    ans["Stray"] = "3rd";
    ans["Early"] = "4th";
    ans["Do"] = "Alpha";

    string s;
    cin >> s;
    cout << ans[s] << "\n";

    return 0;
}

//====================temp====================
#else
    #include <bits/stdc++.h>
using namespace std;
    #define REP(i, n) for (int i = 0; i < (int)(n); i++)
    #define RREP(i, n) for (int i = ((int)(n)-1); i >= 0; i--)
    #define REPITR(itr, ARRAY) \
        for (auto itr = (ARRAY).begin(); itr != (ARRAY).end(); ++itr)
    #define RREPITR(itr, ARRAY) \
        for (auto itr = (ARRAY).rbegin(); itr != (ARRAY).rend(); ++itr)
    #define ALL(n) (n).begin(), (n).end()
using ll = long long;
using ull = unsigned long long;
//#define int long long
template<typename T> struct edge {
    int to;
    T cost;
    edge() {}
    edge(int to, T cost): to(to), cost(cost) {}
};
#endif