guinea_pig

food_month = float(input()) * 1000
hay_kg = float(input()) * 1000
cover_kg = float(input()) * 1000
guinea_weight = float(input()) * 1000

for day in range(1, 31):
    food_month -= 300
    if food_month <= 0 or hay_kg <= 0 or cover_kg <= 0:
        print("Merry must go to the pet store!")
        break
    if day % 2 == 0:
        hay_kg -= 0.05 * food_month
    if day % 3 == 0:
        cover_kg -= guinea_weight / 3

else:
    print(f"Everything is fine! Puppy is happy! Food: {food_month / 1000:.2f}, Hay: {hay_kg / 1000:.2f}, Cover: {cover_kg / 1000:.2f}.")