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#include <iostream>
using namespace std;

const int maxn = 5000;
const int smaxn = maxn * maxn;

int n, s_max, wynik, suma, h2, roznica, a2, d2;
int czest[smaxn + 1] = {0};

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

    cin >> n;
    s_max = n * n;


    for(int a = 1; a <= n; a++)
    {
        a2 = a * a;
        for (int b = a; b <= n; b++)
        {
            suma = a2 + b * b;
            if (suma > s_max) break;
            czest[suma]++;
        }
    }

    for (int d = 1; d <= n; d++)
    {
        d2 = d * d;
        for (int h = 1; h < d; h++)
        {
            h2 = h * h;
            roznica = d2 - h2;
            if(roznica <= s_max)
            {
                wynik += czest[roznica];
            }
        }
    }

    cout << wynik << "\n";
}