using System;
using System.Collections.Generic;
using System.Linq;

// https://yukicoder.me/problems/no/1591
class Program
{
    static string InputPattern = "InputX";

    static List<string> GetInputList()
    {
        var WillReturn = new List<string>();

        if (InputPattern == "Input1") {
            WillReturn.Add("5");
            //2
        }
        else if (InputPattern == "Input2") {
            WillReturn.Add("6");
            //0
        }
        else if (InputPattern == "Input3") {
            WillReturn.Add("25");
            //4
        }
        else {
            string wkStr;
            while ((wkStr = Console.ReadLine()) != null) WillReturn.Add(wkStr);
        }
        return WillReturn;
    }

    static void Main()
    {
        List<string> InputList = GetInputList();
        long N = long.Parse(InputList[0]);

        var HeihousuuSet = new HashSet<long>();
        for (long I = 1; I * I <= N * N; I++) {
            HeihousuuSet.Add(I * I);
        }

        long Answer = 0;
        foreach (long EachVal in HeihousuuSet) {
            long Rest = N * N - EachVal;
            if (HeihousuuSet.Contains(Rest)) {
                Answer++;
            }
        }
        Console.WriteLine(Answer);
    }
}