import sys
read = sys.stdin.buffer.read
readline = sys.stdin.buffer.readline
readlines = sys.stdin.buffer.readlines

A = int(read())

P = [3,5,17,257,65537]

cand = [1]
for p in P:
    cand += [x * p for x in cand]

cand = [x << y for x in cand for y in range(30)]

cand = [x for x in cand if 3 <= x <= A]

print(len(cand))