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: $")$;

$x=scnr*nex\frac{t}{\text{I}}nt()$;

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

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

$\}$

$43$