using System;

public class Program

{

    public static void Main()

    {

        string menu = Console.ReadLine();

​

    switch (menu)

    {

        case "c":

            Console.WriteLine("penis");

            break;

        case "e":

            Console.WriteLine("penis2");

            break; 

        case "s":

            Console.WriteLine("penis3");                  

            break; 

        default:

            break;

    }

    }

}