#include <iostream>
#include <stack>
using namespace std;

int del(stack <int> s) {
    while (!empty(s)) {
        s.pop();
    }
    return 0;
}
int main() {
    int counts;
    cout << "Enter counts: ";
    cin >> counts;
    stack <int> s;
    for (int i = 0; i < counts; i++) {
        int num;
        cout << "Enter num: ";
        cin >> num;
        s.push(num);
    }
    stack <int> temp;
    del(s);
    while (!empty(s)) {
        cout << s.top();
        temp.push(s.top());
        s.pop();
    }
    while (!empty(temp)) {
        s.push(temp.top());
    }
}