#include <bits/stdc++.h>
using namespace std;
#define GET_MACRO(a, b, c, NAME, ...) NAME
#define rep(...) GET_MACRO(__VA_ARGS__, rep3, rep2)(__VA_ARGS__)
#define rep2(i, a) rep3 (i, 0, a)
#define rep3(i, a, b) for (int i = (a); i < (b); i++)
#define repr(...) GET_MACRO(__VA_ARGS__, repr3, repr2)(__VA_ARGS__)
#define repr2(i, a) repr3 (i, 0, a)
#define repr3(i, a, b) for (int i = (b) - 1; i >= (a); i--)
template<class T1, class T2> inline bool chmin(T1 &a, T2 b) { return b < a && (a = b, true); }
template<class T1, class T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
using ll = long long;

int main() {
	ll L;
	cin >> L;

	int ans = 0;
	for (ll i = 1; i <= L; i++) {
		for (ll j = i + 1; 4 * (i * i + j * j) <= L; j++) {
			if ((j - i) % 2 == 1 && __gcd(i, j) == 1) {
				ll a = j * j - i * i;
				ll b = 2 * i * j;
				ll c = i * i + j * j;
				if (4 * (a + b + c) <= L) ans++;
			}
		}
	}

	cout << ans << endl;

	return 0;
}