using System;

public class Program

{

    public static void Main()

    {

        int i=1, result=0, odd=0;

        do{

            result += i; //result = result + i;

            if(i%2 != 0){

                odd += i;

            }

            i++;

        }while(i<=20);

        Console.WriteLine("Result = {0} ",result);

        Console.WriteLine("Result ODD = {0} " ,odd);

        Console.WriteLine("Result Even = {0} ",result-odd);

    }

}