#include<bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef long double ld;

#define si(a)   scanf("%d", &a)
#define si2(a,b) scanf("%d %d", &a, &b)
#define sll(a) scanf("%I64d", &a)
#define sll2(a,b) scanf ("%I64d %I64d", &a, &b)
#define nln printf("\n")
#define forr(i,a,b)      for(ll i=a;i<b;i++)
#define foru(i,a,b)      for(ll i=a;i>b;i--)
#define PI acos(-1)
//#define pi(a)

int main()
{
    int n,c=0,t,a,b;
    int q=0,p=0;
    si(n);
    for(a=1;a<=n;a++)
    {
        for(b=a+1;b<=n;b++)
        {
            t=a^b;
            if(t<=n && a+b>t && a+t>b && b+t>a)
            {
                p++;
            }

        }
    }
    cout<<p/3;
}
//cout<<c;