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);