import java.util.Scanner;

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

        for (int i = 0; i < n; i++) {
            String webSite = scanner.nextLine().toLowerCase();
            if (webSite.equals("facebook")) {
                salary = salary - 150;
            }
            if (webSite.equals("instagram")) {
                salary = salary - 100;
            }
            if (webSite.equals("reddit")) {
                salary = salary - 50;
            }
        }
            if(salary>0)
                System.out.println(salary);
            if (salary <= 0){
                System.out.println("You have lost your salary");
            }

        }
    }