using System;

class EncyclopaediaHysterica {
  static void Main() {
    char c;
    Console.Write("Slovo -> ");
    c = (char)Console.Read();
    Console.ReadLine();
    
    
    switch(char.ToUpper(c)) {
      case 'A': case 'B': case 'C': case 'D': 
      case 'E': case 'F': case 'X':
        Console.WriteLine("Tomus I");
        break;
      case 'G':
        Console.WriteLine("Tomus II");
        break;
      case 'H': case 'I': case 'J': case 'K':
      case 'L': case 'M': case 'N': case 'Y':
        Console.WriteLine("Tomus III");
        break;
      case 'O': case 'P': case 'Q': case 'R': case 'S':
        Console.WriteLine("Tomus IV");
        break;
      case 'T': case 'U':
        Console.WriteLine("Tomus V");
        break;
      case 'V': case 'W': case 'Z':
        Console.WriteLine("Tomus VI");
        break;
      default:
        Console.WriteLine("Errare humanum est...");
        break;
    }
  }
}