package com.company;

import java.util.Scanner;

public class Salary {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int num = Integer.parseInt(scan.nextLine());
        int salary = Integer.parseInt(scan.nextLine());

        for (int i = 0; i < num; i++) {
            String site = scan.nextLine();
            switch (site) {
                case "Facebook":
                    salary -= 150;
                    break;
                case "Instagram":
                    salary -= 100;
                    break;
                case "Reddit":
                    salary -= 50;
                    break;
            }
                if (salary <= 0) {
                     System.out.printf("You have lost your salary.");
                     break;
                    }
                    }
         if (salary >0) {
             System.out.println(salary);}

    }
}