#include <bits/stdc++.h>
using namespace std;
int main() {
    std::ios_base::sync_with_stdio(false);
    std::cin.tie(nullptr);
    char A;
    cin >> A;
    switch (A) {
        case 'Z': {
            cout << "1st\n";
            break;
        }
        case 'B': {
            cout << "2nd\n";
            break;
        }
        case 'S': {
            cout << "3rd\n";
            break;
        }
        case 'E': {
            cout << "4th\n";
            break;
        }
        case 'D': {
            cout << "Alpha\n";
            break;
        }
    }
}