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#include <bits/stdc++.h>

using namespace std;

typedef long long ll;


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

    int n;
    cin >> n;

    ll res = 0;

    int cnt_pairs[n*n + 1];
    for (int i = 0; i <= n*n; i++) {
        cnt_pairs[i] = 0;
    }
    for (int a = 1; a <= n; a++) {
        for (int b = a; a*a + b*b <= n*n; b++) {
            cnt_pairs[a*a + b*b]++;
        }
    }

    for (int d = 1; d <= n; d++) {
        for (int h = 1; h <= d; h++) {
            res += cnt_pairs[d*d - h*h];
        }
    }

    cout << res << "\n";

    return 0;
}