#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cmath>
#include <tuple>
#include <bitset>
#include <map>
#include <set>
#include <queue>
#include <iomanip>

#define rep(i,n) for(i=0; i<n; ++i)
#define inc_rep(i,a,n) for(i=a; i<=n; ++i)
#define dec_rep(i,n,a) for(i=n; i>=a; --i)
#define in(a) cin >> a
#define out(a,b) cout << a << b
#define print_vec(v) for(auto it=v.begin();it!=v.end();++it)cout<<*it <<" ";cout<<endl
#define print_vec2d(v) for(int i=0;i<v.size();++i){for(int j=0;j<v[i].size();++j)cout<<v[i][j]<<" ";cout<<endl;}cout<<endl
#define print_vecpair(v) for(int i=0;i<v.size();++i)cout<<v[i].first<<" "<<v[i].second<<endl
#define vin(v) for(int i=0;i<v.size();++i)cin>>v[i]
#define v2din(v) for(int i=0;i<v.size();++i){for(int j=0;j<v[i].size();++j)cin>>v[i][j];}
#define vpairin(v) for(int i=0;i<v.size();++i){int a,b;cin>>a>>b;v[i]=make_pair(a,b);}
using namespace std;
using lint = long long;



int main(void){
    lint i, j;
    lint k, cnt=0, x, y;
    lint p, q, n, m;
    string s;
    map<char, string> d={{'Z', "1st"}, {'B', "2nd"}, {'S', "3rd"}, {'E', "4th"}, {'D', "Alpha"}};
    in(s);
    out(d[s[0]], endl);
    return 0;
}