import java.util.ArrayList;

public class Member
{
    private boolean memberOf(int x, ArrayList<Integer> list)
    {
        if (list.size() == 0) return false;
        else {
            int first = list.get(0);
            list.remove(0);
            
            return (x == first) || memberOf(x, list);
        }
    }
    
    public static void main(String args[])
    {
        Member m = new Member();
        ArrayList<Integer> numbers = new ArrayList<Integer>();
        
        numbers.add(0);
        numbers.add(2);
        numbers.add(4);
        numbers.add(6);
        numbers.add(8);
        
        System.out.print("The list:");
        for (int n : numbers) System.out.printf("%2d", n);
        System.out.println();
        
        int target = 6;
        System.out.printf("%d is in the list: %s\n", 
                          target, m.memberOf(target, numbers));

        numbers = new ArrayList<Integer>();

        numbers.add(0);
        numbers.add(2);
        numbers.add(4);
        numbers.add(6);
        numbers.add(8);   

        System.out.print("\nThe list:");
        for (int n : numbers) System.out.printf("%2d", n);
        System.out.println();
        
        target = 7;
        System.out.printf("%d is in the list: %s\n", 
                          target, m.memberOf(target, numbers));           
    }
}