#include<bits/stdc++.h>
using namespace std;

class stack
{

};

int main(	)
{
	stack s1,s2;

	//s1 is your  main stack
	//for pushing value:
	s1.push(value);
	//for poping value
	while(!s1.isEmpty())//push in temporary stack
	{
		int temp=s1.pop();
		s2.push(temp);
	}

	cout<<"1st value is : "<<s2.pop()<<endl;

	while(!s1.isEmpty())//again push in main stack
	{
		int temp=s2.pop();
		s1.push(temp);
	}
}