05. Salary

count_tabs = int(input())
init_salary = int(input())

salary = init_salary
for i in range(1, count_tabs + 1):
    name_tab = input()

    if name_tab == "Facebook":
        salary = salary - 150
    elif name_tab == "Instagram":
        salary = salary - 100
    elif name_tab == "Reddit":
        salary = salary - 50

    if salary <= 0:
        break

if salary <= 0:
    print("You have lost your salary.")
else:
    print(salary)