import java.util.$*$;

class A

$\{$

public int x;

protected int y;

void cal$($int a$,$ int b$)\{$

x $=$ a $+1$;

y $=$ b;

$\}$

$\}$

public class Begin $\{$

public static void main$($String $[]$aa$)$

$\{$

A obj $=$ new A$()$;

obj.cal$(2,3)$;

System.out.println$($obj$.$x $+""+$ obj.y$)$;

$\}$

$\}$