using System;

public class Program

{

    public static void Main()

    {

        Console.Write("den ");

        var d=int.Parse(Console.ReadLine());

        int d1=d/10;

        int d2=d%10;

        Console.Write("mesec ");

        var m=int.Parse(Console.ReadLine());

        int m1=d/10;

        int m2=d%10;

        Console.Write("godina ");

        var g=int.Parse(Console.ReadLine());

        int g1=g/1000;

        int g2=(g/100)%10;

        int g3=(g/10)%10;

        int g4=g%10;

        var person=d1+d2+m1+m2+g1+g3+g4+g2;;

        if (person>=10)

        {

            int person1=person%10;

            int person2=person/10;

            person= person1+person2;

            Console.WriteLine(person);}

        else

        Console.Write("Chisloto e: "+person);}

​

    }

​