using System;

public class Program

{

    public static void Main()

    {

        float bonus,payb;

        float pay = float.Parse(Console.ReadLine());

        if (pay<=7000)

        {

            bonus = pay/10;

            payb = pay+bonus;

            Console.WriteLine(payb);

        }

        else if (pay > 7000)

        {

            bonus = pay/5;

            payb = pay+bonus;

            Console.WriteLine(payb);

        }

    }

​

}