#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string>
#include <vector>
#include <queue>
#include <set>
#include <numeric>
#include <cmath>
#define ll long long
using namespace std;

// link : 
// category : 

int main() {
	
    string s;
    cin>>s;

    if(s[0]=='Z') cout<<"1st";
    if(s[0]=='B') cout<<"2nd";
    if(s[0]=='S') cout<<"3rd";
    if(s[0]=='E') cout<<"4th";
    if(s[0]=='D') cout<<"Alpha";

	return 0;
}