import java.util.*;
class Main
{
public static void main(String[] args)
{
Stack s=new Stack();
s.push(50);
s.push(40);
s.push(30);
s.push(20);
s.push(10);
Stack h=new Stack();
check(s,h,0);
}
public static void check(Stack<Integer> s,Stack<Integer> h,int index)
{
if(s.isEmpty())
{
return;
}
int n=s.pop();
check(s,h,index+1);
h.push(n);
if(index==0)
{
while(!h.isEmpty())
{
s.push(h.pop());
}
}
}
}
sir output same hi aari h mtlb reverse order m nhi aari .