coins

money = float(input())
money = int(money * 100)
coins_counter = 0
coins_counter += money // 200
money %= 200
coins_counter += money // 100
money %= 100
coins_counter += money // 50
money %= 50
coins_counter += money // 20
money %= 20
coins_counter += money // 10
money %= 10
coins_counter += money // 5
money %= 5
coins_counter += money // 2
money %= 2
if money == 1:
    coins_counter += 1
print(coins_counter)