A = int(input())
fp = [3,5,17,257,65537]
ans = set()
for i in range(1<<5):
    tmp = 1
    for j in range(5):
        if i & (1<<j):
            tmp *= fp[j]
        if tmp > A:
            break
    for j in range(30):
        if tmp < 3:
            tmp *= 2
            continue
        if tmp <= A:
            ans.add(tmp)
        else:
            break
        tmp *= 2

print(len(ans))