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

Stack s$1=$ new Stack $(10)$;

Stack s$2$ new Stack$(10)$;

for $($int i $=0$; i $<10$; i$++)$

s$1.$push$($i$++)$;

s$2.$push$($sl$.$top$())$;

s$1.$pop$()$;

s$2.$push$($sl$.$top$())$;

sl$.$pop$()$;

s$2.$push$($s$1.$top$())$;

s$1.$pop$()$;

System.out.println$($s$1.$top$())$;

System.out.println$($s$2.$top$())$;

$\}$