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#include<bits/stdc++.h>

using namespace std;


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

    int n;
    cin >> n;
    map<int, int> dwakwa;
    
    for (int i = 1; i <= n; i++)
    {
        for (int j = i; j <= n; j++)
        {
            dwakwa[i*i+j*j]++;
        }
    }
    long long wynik=0;
    for (int i = 1; i <= n; i++)
    {
        for (int j = i+1; j <= n; j++)
        {
            wynik += dwakwa[j*j-i*i];
        }
        
    }
    cout << wynik;

    return 0;
}