import java.io.*;
import java.util.*;


public class Main_yukicoder716 {

	private static Scanner sc;
	private static Printer pr;

	private static void solve() {
		int n = sc.nextInt();
		
		int[] a = new int[n];
		for (int i = 0; i < n; i++) {
			a[i] = sc.nextInt();
		}

		int min = Integer.MAX_VALUE;
		for (int i = 1; i < n; i++) {
			min = Math.min(min, a[i] - a[i - 1]);
		}
		
		pr.println(min);
		pr.println(a[n - 1] - a[0]);
	}

	// ---------------------------------------------------
	public static void main(String[] args) {
		sc = new Scanner(INPUT == null ? System.in : new ByteArrayInputStream(INPUT.getBytes()));
		pr = new Printer(System.out);

		solve();

//		pr.close();
		pr.flush();
//		sc.close();
	}

	static String INPUT = null;

	private static class Printer extends PrintWriter {
		Printer(OutputStream out) {
			super(out);
		}
	}
}