public class Massive {
    public static boolean Check(int a){
       if ( a%2==0 )      return  true ;
        else return false;
    }


    public static void main(String[] args) {
        int SizeM =0;
        for (int i=2 ; i<21 ; i++)
            if (Check(i)==true) {
                SizeM = SizeM + 1;
                            }

        int[] m;
        int Count=0;
        m = new int[SizeM] ;
        for (int i=2;i<21;i++) {
            if (Check(i) == true) {
                m[Count] = i;
                Count++;
            }
        }
for (int i=0;i<m.length;i++){
    System.out.print(m[i]+" ");
}
        System.out.println();
        for (int i=0;i<m.length;i++){
            System.out.println(m[i] );
        }
    }
}