#include <bits/stdc++.h>

using namespace std;

template<typename T> int least_bit(T n) {
  if (sizeof(T) == 4) return __builtin_ffs(n) - 1;
  if (sizeof(T) == 8) return __builtin_ffsll(n) - 1;
  assert(false);
}

template<typename T> int most_bit(T n) {
  if (sizeof(T) == 4) return n ? 31 - __builtin_clz(n) : -1;
  if (sizeof(T) == 8) return n ? 63 - __builtin_clzll(n) : -1;
  assert(false);
}

template<typename T> int count_bit(T n) {
  if (sizeof(T) == 4) return __builtin_popcount(n);
  if (sizeof(T) == 8) return __builtin_popcountll(n);
  assert(false);
}

class BitIterator {
public:

  class Iterator {
  private:
    int val, bit;

  public:
    Iterator(int val, int bit) : val(val), bit(bit) {}

    Iterator operator*() {
      return *this;
    }

    bool operator!=(const Iterator& itr) const {
      return val != itr.val;
    }

    void operator++() {
      val = least_bit(bit & (-1 << (val + 1)));
    }

    operator int() {
      return val;
    }
  };
  
  Iterator i, n;
  int bit;

  BitIterator(int n) : i(least_bit(n), n), n(-1, n), bit(n) {}

  bool operator!=(const BitIterator& itr) const {
    return i != itr.i;
  }

  void operator++() {
    *this = BitIterator(bit + 1);
  }

  operator int() const {
    return bit;
  }

  bool in(int i) const {
    return bit & (1 << i);
  }

  Iterator& begin() {
    return i;
  }

  Iterator& end() {
    return n;
  }
};

class PowerSet {
private:
  class Iterator {
  private:
    BitIterator val;

  public:
    Iterator(int val) : val(val) {}

    Iterator operator*() {
      return *this;
    }

    bool operator!=(Iterator& itr) {
      return val != itr.val;
    }

    void operator++() {
      ++val;
    }

    operator int() const {
      return val;
    }

    bool in(int i) const {
      return val.in(i);
    }

    BitIterator::Iterator& begin() {
      return val.begin();
    }

    BitIterator::Iterator& end() {
      return val.end();
    }
  };

  Iterator i, n;

public:
  PowerSet(int n) : i(0), n(1 << n) {}

  Iterator& begin() {
    return i;
  }

  Iterator& end() {
    return n;
  }
};

int main() {
  int a;
  cin >> a;
  int f[] = {3, 5, 17, 257, 65537};
  int res = -2;
  for (auto i : PowerSet(5)) {
    long long k = 1;
    for (auto j : i) k *= f[j];
    res += most_bit(a / k) + 1;
  }
  cout << res << endl;
}