#include <iostream>
#include <algorithm>
#include <vector>
#include <string>

using namespace std;

int main() {
  long long n;
  cin >> n;

  static long long dp[61][2][2];
  dp[0][0][0] = 1;

  for (int i = 0; i < 60; i++) {
    for (int j = 0; j < 2; j++) {
      for (int k = 0; k < 2; k++) {
        int x = n >> 59 - i & 1;
        int d = j ? 1 : x;
        for (int l = 0; l <= d; l++) {
          dp[i + 1][j || l < d][k || (x == 0 && l == 1)] += dp[i][j][k];
        }
      }
    }
  }

  cout << dp[60][0][1] + dp[60][1][1] << endl;
}