using System;

​

public class Program

{

    public static void Main()

    {

        int broistove = int.Parse(Console.ReadLine());

        int zaplata = int.Parse(Console.ReadLine());

        int INSTAGRAM = 100;

        int FACEBOOK= 150;

        int REDDIT = 50;

        for (int i = 1; i <=i; i++)

        {

            string page = Console.ReadLine();

            if (page == "INSTAGRAM ")

            {

                zaplata -= INSTAGRAM;

            }

            else if (page == "FACEBOOK")

            {

                zaplata -= FACEBOOK;

            }

            else if (page == "REDDIT")

            {

                zaplata -= REDDIT;

            }

            else

            {

                zaplata-= 0;

            }

        }

​

        if (zaplata<= 0)

        {

            Console.WriteLine("You have lost your salary.");

        }

        else

        {

            Console.WriteLine(zaplata);

        }

    }

}