def minBills(x,w):
    n = len(w)
    result = 0
    i = 0
    while(n != 0 and i < n):
        result += x // w[i]
        x %= w[i]
        i += 1
    return result
wages = [100,20,10,5,1]
x = int(input())
print(minBills(x, wages))