04. Cat Food

cats = int(input())

small = 0
big = 0
large = 0
total_food = 0

for i in range(cats):
    food = float(input())
    total_food += food
    if 100 <= food < 200:
        small += 1
    elif 200 <= food < 300:
        big += 1
    elif 300 <= food < 400:
        large += 1

price = total_food / 1000 * 12.45

print(f"Group 1: {small} cats.")
print(f"Group 2: {big} cats.")
print(f"Group 3: {large} cats.")
print(f"Price for food per day: {price:.2f} lv.")