Salary 1.1

n = int(input())
salary = int(input())

for i in range(n):
  web_page = input()
  if web_page == "Facebook":
    salary -= 150
  elif web_page == "Instagram":
    salary -= 100
  elif web_page == "Reddit":
    salary -= 50
  else:
    salary = salary

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

if salary > 0:
  print(salary)