The number 105 is quite special - it is odd but still it has eight divisors.
Now, your task is this: how many odd numbers with exactly eight positive divisors are there between 1 and N (inclusive)?

-----Constraints-----
- N is an integer between 1 and 200 (inclusive).

-----Input-----
Input is given from Standard Input in the following format:
N

-----Output-----
Print the count.

-----Sample Input-----
105

-----Sample Output-----
1

Among the numbers between 1 and 105, the only number that is odd and has exactly eight divisors is 105.

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