change = float(input())
change_in_coins = int(change * 100)
counter = 0
sum = 0

while change_in_coins > 0:
    if change_in_coins >= 200:
        change_in_coins -= 200

    elif change_in_coins >= 100:
        change_in_coins -= 100

    elif change_in_coins >= 50:
        change_in_coins -= 50

    elif change_in_coins >= 20:
        change_in_coins -= 20

    elif change_in_coins >= 10:
        change_in_coins -= 10

    elif change_in_coins // 5:
        change_in_coins -= 5

    elif change_in_coins // 2:
        change_in_coins -= 2

    elif change_in_coins // 1:
        change_in_coins -= 1

    counter += 1




print(counter)