#include<bits/stdc++.h>usingnamespace std;intmain(){int n, gcd, ans =0;
cin >> n;for(int i =1; i < n; i++){for(int j = i +1; j <= n; j++){for(int k = i; k >=1; k++){if((i % k ==0)&&(j % k ==0)){
gcd = k;break;}}if(gcd ==(i ^ j))
ans++;}}
cout << ans;return0;}