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

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


    elif change_in_coins // 100:
        change_in_coins -= change_in_coins % 100


    elif change_in_coins // 50:
        change_in_coins -= change_in_coins % 50


    elif change_in_coins // 20:
        change_in_coins -= change_in_coins % 20


    elif change_in_coins // 10:
        change_in_coins = change_in_coins % 10


    elif change_in_coins // 5:
        change_in_coins -= change_in_coins % 5


    elif change_in_coins // 1:
        change_in_coins -= change_in_coins % 1

    change = float(input())
counter += 1


print(counter)