using System;

public class Program

{

    public static void Main(string[] args)

    {

        var input = Console.ReadLine();

        var inputNumber = int.Parse(input);

        var isHappy = HappyRecursion(inputNumber);

        Console.WriteLine(isHappy);

    }

    private static bool HappyRecursion(int input)

    {

        var length = GetNumberLength(input);

        var n = length / 2;

        return SuperHappyRecursion(n, input, 0, 0);

    }

    private static bool SuperHappyRecursion(int n, int value, int sumLeft, int sumRight)

    {

        var valueLength = GetNumberLength(value);

        var number = value % 10;

        if (valueLength > n) return SuperHappyRecursion(n, value / 10, sumLeft, sumRight + number);

        if (valueLength > 1) return SuperHappyRecursion(n, value / 10, sumLeft + number, sumRight);

        return sumLeft + number == sumRight; 

    }

    private static int GetNumberLength(int input)

    {

        var i = 0;

        var temp = input;

        while (temp > 10)

        {

            i++;

            temp /= 10;

        }

        return i + 1;

    }

}