05. Coins

# 05. Coins
import math
money = float(input())

coins_counter = 0
money *= 100

while money > 0:
    if money >=200:
        coins_counter += 1
        money -= 200
    elif money >= 100:
        coins_counter += 1
        money -= 100
    elif money >= 50:
        coins_counter += 1
        money -= 50
    elif money >= 20:
        coins_counter += 1
        money -= 20
    elif money >= 10:
        coins_counter += 1
        money -= 10
    elif money >= 5:
        coins_counter += 1
        money -= 5
    elif money >= 2:
        coins_counter += 1
        money -= 2
    elif money >= 1:
        coins_counter += 1
        money -= 1
    money = math.floor(money)
print(coins_counter)