package com.company;
import java.lang.Math;
import java.util.Scanner;

public class Main {

    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 tab= scanner.nextLine();
            switch (tab){
                case "Facebook":
                    salary=salary-150;
                    break;
                case "Instagram":
                    salary=salary-100;
                    break;
                case "Reddit":
                    salary=salary-50;
                    break;

            }
            if ((salary<=0)){
                System.out.printf("You have lost your salary.");
                break;
            }
        }
        if(salary>0){
            System.out.println(salary);
        }
    }
}