#include <bits/stdc++.h>
using namespace std;
#define int long long
signed main(){
  string S;
  cin>>S;
  if(S == "Do"){
      cout<<"Alpha"<<endl;
      return 0;
  } 
  vector<string> A={"Zelkova","BANNED","Stray","Early"};
  int a = 0;
  for(int i=0;i<4;i++)if(A[i] == S) a = i+1;
  if(a == 1) cout<<"1st"<<endl;
  else if(a == 2) cout<<"2nd"<<endl;
  else if(a == 3) cout<<"3rd"<<endl;
  else cout<<"4th"<<endl;
}