using System;
public class Program
{
public static void Main()
int R;
R=Convert.ToInt32(Console.ReadLine());
int a,b,cd,d;
a = (R%10);
b = (R/10%10);
cd = (R/100);
d = (R/1000);
if (a + b == cd && d != 0)
Console.WriteLine("Special Number: " + R / 100 + " = " + R % 10 + " + " + R/10%10 + ", It is 4 Digits");
else
Console.WriteLine("Sorry, Not a Special Number");
}