What will this small program output?

int a $=6$;

int b $=3$;

int c $=13$;

int x $=5$;

$$

if $($a $<=$ b$)\{$

x $=7$;

$\}$ else if $($a $<=$ c$)\{$

x $=18$;

$\}$ else if $($b $<=$ c$)\{$

x $=2$;

$\}$ else $\{$

x $=15$;

$\}$

$$

System.out.print$($x$)$;