8. Клас цивотно

using System;

namespace _08._Animal_Type
{
    class Program
    {
        static void Main(string[] args)
        {
            string animalName = Console.ReadLine();
            //dog -> print mammal
            //crocodile, tortoise, snake -> print reptile
            //others -> unknown
            if (animalName == "dog")
            {
                Console.WriteLine("mammal");
            }
            else if (animalName == "crocodile" || animalName == "tortoise" || animalName == "snake")
            {
                Console.WriteLine("reptile");
            }
            else
            {
                Console.WriteLine("unknown");
            }
        }
    }
}