import cs1.Keyboard;
public class evenadd
{
public static void main (String[] args)
{
	int total = 0;
	System.out.println ("Adds all even numbers between 2 and x inclusivly.");
	System.out.print ("x = ");
	int count = Keyboard.readInt();
	if (count % 2 != 0)
	{
		--count;
	}
	while (count >= 2)
	{
		total += count;
		count -= 2;
	}
	System.out.println ("The sum is " + total);
}
}