import java.util.Arrays;

public class mc_q19
{
    public static void main(String[] args)
    {
        int x;

	x = 1;
	while ( x < 0 )
	{  if  (x % 2 == 0) System.out.print(x+ " ");
           x = x + 2;
        }

        x = 1;
        while ( x <= 1 )
        {  if  (x % 2 == 0) System.out.print(x+ " ");
           x = x + 2;
        }

        x = 1;
        while ( x < 10 )
        {  if  (x % 2 == 0) System.out.print(x+ " ");
           x = x + 2;
        }
    }
}