n = int(input())
c = 0
for i in range(1, n + 1):
    q = i // 1000 % 10
    b = i // 100 % 10
    s = i // 10 % 10
    g = i // 1 % 10
    s = q + b + s + g
    if s % 2 != 0 and s % 5 != 0:
        c += 1
print(c)
/**************************************************************
	Problem: 1395
	User: admin
	Language: Python
	Result: Accepted
	Time:197 ms
	Memory:34480 kb
****************************************************************/