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

while change_in_coins > 0:
    if change_in_coins // 200 != 0 :
        counter += 1
        change_in_coins -= change_in_coins % 200

    elif change_in_coins // 100 != 0:
        counter += 1
        change_in_coins -= change_in_coins % 100

    elif change_in_coins // 50 != 0:
        counter += 1
        change_in_coins -= change_in_coins % 50

    elif change_in_coins // 20 != 0:
        counter += 1
        change_in_coins -= change_in_coins % 20

    elif change_in_coins // 10 != 0:
        counter += 1
        change_in_coins = change_in_coins % 10

    elif change_in_coins // 5 != 0:
        counter += 1
        change_in_coins -= change_in_coins % 5

    elif change_in_coins // 1 != 0:
        counter += 1
        change_in_coins -= change_in_coins % 1

    change = float(input())

print(counter)