import java.util. Scanner;

public class DoubleNum $\{$

public static void main$($String$[]$ args$)\{$

Scanner scnr $=$ new Scanner$($

System.in$)$;

int $x$;

System.out.println$("$Enter x: $")$;

$x=scnr.$ nextInt $()$ ;

System.out.println$(x)$; $//$ Student mistakenly is echoing the input to output to match exa

System.out.println$("$x doubled is: $"+(2**x)$;