#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int w = 0;
  for (int i = 1; i <= n; ++i) {
    for (int j = i; j <= n; ++j) {
      int x = i ^ j;
      if (((i + j) > x) && (x >= j) && (x <= n)) {
        ++w;
      }
    }
  }
  cout << w;
  return 0;
}
