Salary

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

for i in range(0, n):
    site = input()
    if site =='Facebook':
        salary -= 150
        if salary <= 0:
            print(f"You have lost your salary.")
            break
    elif site == "Instagram":
        salary -= 100
        if salary <= 0:
            print(f"You have lost your salary.")
            break
    elif site == "Reddit":
        salary -= 50
        if salary <= 0:
            print(f"You have lost your salary.")
            break

if salary > 0:
    print(int(salary))