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#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int LIM=5e3+7;
ll T[LIM*LIM];
int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	ll n;
	cin >> n;
	for(ll a=1; a*a<=n*n; ++a) {
		for(ll b=1; a*a+b*b<=n*n && b<=a; ++b) {
			++T[a*a+b*b];
		}
	}
	ll ans=0;
	for(ll x=1; x<=n; ++x) {
		for(ll y=1; y<x; ++y) {
			ans+=T[x*x-y*y];
		}
	}
	cout << ans << '\n';
}