import java.util.*;
class OdaiUniqSortRev {
	public static int[] uniq(int[] a) {
		return Arrays.stream(a).distinct().toArray();
	}
	public static int[] sort(int[] a) {
		int[] b = Arrays.copyOf(a, a.length);
		Arrays.sort(b);
		return b;
	}
	public static int[] reverse(int[] a) {
		int[] b = Arrays.copyOf(a, a.length);
		for (int i = 0, j = b.length - 1; i < j; i++, j--) {
			int t = b[i];b[i] = b[j];b[j] = t;
		}
		return b;
	}
	private static void p(int[] a) {
		System.out.println(Arrays.toString(a));
	}
	public static void main(String[] args) {
		int[] a = {3, 1, 4, 1, 5};
		p(reverse(sort(uniq(a))));
		p(Arrays.stream(a).boxed().distinct().sorted(Comparator.reverseOrder()).mapToInt(Integer::intValue).toArray());
	}
}
 

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