10871 : X보다 작은 수

import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {

		Scanner sc = new Scanner(System.in);
		int size = sc.nextInt();
		int num = sc.nextInt();

		int[] arr = new int[size];

		for (int i = 0; i < size; i++) {
			arr[i] = sc.nextInt();
		}

		for (int i = 0; i < arr.length; i++) {
			if (arr[i] < num)
				System.out.print(arr[i] + " ");
		}

	}
}