import sys
from math import sqrt

def debug(x, table):
    for name, val in table.items():
        if x is val:
            print('DEBUG:{} -> {}'.format(name, val), file=sys.stderr)
            return None

def solve():
    A = int(input())
    pow2 = [1]
    Fps = [3, 5, 17, 257, 65537]
    Fpps = []

    for i in range(2**len(Fps)):
        res = 1
        for j in range(len(Fps)):
            if i & 1:
                res *= Fps[j] 
            i >>= 1
        
        if res <= A:
            Fpps.append(res)

    i = 1
    while 2**i <= A:
        pow2.append(2**i)
        i += 1

    ans = 0
    for x in pow2:
        for y in Fpps:
            if 3 <= x * y <= A:
                ans += 1

    print(ans)

if __name__ == '__main__':
    solve()