using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Text;
using System.Text.RegularExpressions;
using System.Linq;
using System.IO;

class Program
{
    static private Magatro M = new Magatro();
    static private void Main(string[]args)
    {
        M.Scan();
        M.Solve();
    }
}

public class Scanner
{
    private string[] S;
    private int Index;
    private char Separator;

    public Scanner(char separator = ' ')
    {
        Index = 0;
        Separator = separator;
    }

    private string[] Line()
    {
        return Console.ReadLine().Split(Separator);
    }

    public string Next()
    {
        string result;
        if (S == null || Index >= S.Length)
        {
            S = Line();
            Index = 0;
        }
        result = S[Index];
        Index++;
        return result;
    }
    public int NextInt()
    {
        return int.Parse(Next());
    }
    public double NextDouble()
    {
        return double.Parse(Next());
    }
    public long NextLong()
    {
        return long.Parse(Next());
    }
}

public class Magatro
{
    private int L;

    public void Scan()
    {
        Scanner sc = new Scanner();
        L = sc.NextInt();
    }

    public void Solve()
    {
        int loop = (int)Math.Sqrt(L);
        int cnt = 0;
        for(int i = 2; i <= loop; i++)
        {
            for(int j = 1; j < i; j++)
            {
                int a = i * i - j * j;
                int b = 2 * i * j;
                int c = i * i + j * j;
                if (Gcd(a, b, c) == 1&&a+b+c<=L/4) cnt++;
            }
        }
        Console.WriteLine(cnt);
    }

    private int Gcd(params int[] n)
    {
        int result = n[0];
        for(int i = 1; i < n.Length; i++)
        {
            result = Gcd(result, n[i]);
        }
        return result;
    }
    private int Gcd(int a,int b)
    {
        if (a < b)
        {
            Swap(ref a, ref b);
        }
        int r = a % b;
        while (r > 0)
        {
            a = b;
            b = r;
            r = a % b;
        }
        return b;
    }
    private void Swap(ref int a,ref int b)
    {
        int temp = a;
        a = b;
        b = temp;
    }
}