budget = float(input())

while budget>= 0:
    command = input()
    if command == 'ACTION':
        break
    if len(command) <= 15:
        command = float(input())
        budget -= command
    else:
        budget -= budget * 0.20


if budget >= 0:
    print(f'We are left with {budget:.2f} leva.')
else:
    print(f'We need {abs(budget):.2f} leva for our actors.')