budget = int(input())


total = 0
command = input()
while command != "Stop":

    total = 0
    for letter in command:
        total += ord(letter)

    if budget >= total:
        budget -= total
        print(f"Item successfully purchased!")
    else:
        print(f"Not enough money!")
        break

    command = input()
if command == "Stop":
    print(f"Money left: {budget}")