//
//	wrote a code to sum up 2+4+6+8 = ?
//
class SumUp2
{
	public static void main(String[ ]args)
	{
		int sum = 0;
		for(int i=2; i<=8; i+=2)
			sum += i;

		System.out.println("\n\nsum = "+ sum + "\n");
	}
}