import java.util.*;
import java.util.stream.Stream;
import java.time.*;
import java.time.format.*;

public class No716 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
        int tmp = sc.nextInt();
        int max = Integer.MIN_VALUE;
        int min = Integer.MAX_VALUE;
        for(int i = 1; i < n; i++) {
            int a = sc.nextInt();
            if(Math.abs(a -tmp) > max) {
                max = Math.abs(a - tmp);
            }
            if(Math.abs(a - tmp) < min) {
                min = Math.abs(a - tmp);
            }
            tmp = a;
        }
        System.out.println(min + "\n" + max);
	}
}