using System;

public class Program

{

    public static void Main()

    {

        string animal = Console.ReadLine();

        switch (animal)

        {

            case "куче":

        Console.WriteLine("бозайник");

        break;

        case "змия":

        Console.WriteLine("влечуго");

        break;

        default:

        case "мишка":

        Console.WriteLine("непознато");

        break;

        }   

}

}