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// clang-format off
#include <bits/stdc++.h>

using namespace std;

#define ALL(x) (x).begin(), (x).end()

template<class C> void mini(C &a5, C b5) { a5 = min(a5, b5); }
template<class C> void maxi(C &a5, C b5) { a5 = max(a5, b5); }

#ifdef LOCAL
const bool debug = true;
#else
const bool debug = false;
#define cerr if (true) {} else cout
#endif
// clang-format on

#define int long long
#define double long double

const int INF = 1e18;
const int mod = 1e9 + 7;

const int nax = 5000;
int ab_count[nax * nax + 10];

void init() {
    for (int a = 1; a <= nax; a++) {
        for (int b = a; b <= nax; b++) {
            int ab = a * a + b * b;
            if (ab > nax * nax) {
                break;
            }
            ab_count[ab]++;
        }
    }
}

int32_t main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    init();

    int N;
    cin >> N;

    int res = 0;
    for (int h = 1; h <= nax; h++) {
        for (int n = 1; n <= N; n++) {
            int ab = n * n - h * h;
            if (ab < 0) {
                continue;
            }
            res += ab_count[ab];
        }
    }
    cout << res;

    return 0;
} /*

 */