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#include <bits/stdc++.h>

using namespace std;

int squares[25000000];

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

    int n;
    cin >> n;

    for (int i = 1; i <= n; ++i)
    {
        for (int j = i; i * i + j * j < n * n; ++j)
        {
            ++squares[i * i + j * j];
        }
    }

    int count = 0;

    for (int i = 1; i <= n; ++i)
    {
        for (int h = 1; h < i; ++h)
        {
            count += squares[i * i - h * h];
        }
    }

    cout << count << '\n';
}