basic stack stl c++

//basic stack stl c++
#include<iostream>
#include<stack>
using namespace std;
void display(stack<int> s)
{
    while(!s.empty())
    {
        cout<<s.top()<<" ";
        s.pop();
    }
    cout<<endl;
}
int main()
{
    stack<int> s;
    s.push(1);
    s.push(4);
    s.push(5);
    display(s);        //display the stack elements
    s.pop();      //removes the top element
    display(s);
    if(s.empty())
        cout<<"The stack is empty"<<endl;
    else
        cout<<"stack is not empty"<<endl;
    return 0;
}