#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll,ll> P;
#define REP(i,n) for(ll i=0;i<ll(n);i++)




ll gcd(ll a,ll b){
	if(b==0) return a;
	else return gcd(b,a%b);
}



int main(void){
	cin.tie(nullptr);  ios_base::sync_with_stdio(false);
	ll i,j;


	ll N;
	cin >> N;


	if(N%2==1 || N<12){
		cout << 0 << endl;
		return 0;
	}


	ll k=N/2;
	ll c=0;
	for(ll n=1;2*n*n<k;n++){
		for(ll m=n+1;2*m*n<k;m++){
			if((m+n)%2==0) continue;
			if(m*(m+n)>k) continue;
			if(gcd(m,n)!=1) continue;




			c+=k/(m*(m+n));

		}
	}



	cout << c << endl;







	return 0;

}