import java.util.Scanner;

class Main{
	public static void main(String[] args) {
		Scanner stdIn=new Scanner(System.in);
		int n=stdIn.nextInt(),a=0,b=stdIn.nextInt(),t=b,m=200000,i;
		for(i=1;i<n;i++) {
			a=stdIn.nextInt();
			if(m>a-t) m=a-t;
			t=a;
		}
		System.out.print(m+"\n"+(a-b));
	}
}