10. Animal Type

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _10_AnimalType
{
    class AnimalType
    {
        static void Main(string[] args)
        {
            string animal = Console.ReadLine();

            if (animal == "dog")
            {
                Console.WriteLine("mammal");
            }
            else if (animal == "crocodile" || animal == "tortoise"  || animal == "snake")
            {
                Console.WriteLine("reptile");
            }
            else
            {
                Console.WriteLine("unknown");
            }
        }
    }
}