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#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) {}
#endif

#define x first
#define y second
#define ir(a, x, b) ((a) <= (x) && (x) <= (b))
#define vec vector
#define rep(i, a, b) for (ll i = a; i < (b); ++i)
#define all(x) (x).begin(), (x).end()

using ll = long long;

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int N; cin >> N;
    vec<ll> a(5000*5000+1);
    vec<ll> b(5000*5000+1);
    rep (x, 1, 5001) rep (y, 1, x+1) {
        if (x*x + y*y < a.size()) {
            a[x*x + y*y]++;
        }
    }
    rep (d, 1, N+1) rep (h, 1, 5001) {
        if (d*d - h*h >= 0 && d*d - h*h < b.size()) {
            b[d*d - h*h]++;
        }
    }
    ll res = 0;
    rep (x, 0, a.size()) {
        if (a[x] && b[x]) {
            // debug(x, a[x], b[x]);
        }
        res += a[x] * b[x];
    }
    cout << res << endl;
    return 0;
}