using System;
public class Program
{
public static void Main()
Console.WriteLine("Unesi cetvorocifreni broj");
int a=int.Parse(Console.ReadLine());
int b=a/1000;
int c=a/100%10;
int d=a/10%10;
int e=a%10;
Console.WriteLine("Zbir je " +(b*b+c*c+d*d+e*e));
}