a

budget = int(input())
season = input()
number_of_fisherman = int(input())
boat_rent = 0
if season == 'Spring':
    boat_rent = 3000
elif season == 'Summer' or season == 'Autumn':
    boat_rent = 4200
elif season == 'Winter':
    boat_rent = 2600
if number_of_fisherman <= 6:
    boat_rent *= 0.9
elif number_of_fisherman <= 11:
    boat_rent *= 0.85
elif number_of_fisherman >= 12:
    boat_rent *= 0.75
if number_of_fisherman % 2 == 0 and season != 'Autumn':
    boat_rent *= 0.95
difference = abs(budget - boat_rent)
if budget >= boat_rent:
    print(f'Yes! You have {difference:.2f} leva left.')
else:
    print(f'Not enough money! You need {difference:.2f} leva.')