import java.util.Arrays;
import java.util.Scanner;

public class N0_716 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		final int N = sc.nextInt();
		int[] aa = new int[N];
		for (int i = 0; i < N; i++) {
			aa[i] = sc.nextInt();
		}
		Arrays.sort(aa);
		int max = 0;
		int min = aa[1] - aa[0];

		for(int i = 0; i < aa.length; i++)
			for(int y = i+1; y < aa.length; y++) {
				if(aa[y] - aa[i] > max)
					max = aa[y] - aa[i];
				else if(aa[y] - aa[i] < min)
					min = aa[y] - aa[i];
			}

		System.out.println(min);
		System.out.println(max);

	}

}