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

int main() {
    queue<int> q;
    stack<int> s;

    q.push(1); q.push(2); q.push(3); q.push(4); q.push(5);
    s.push(1); s.push(2); s.push(3); s.push(4); s.push(5);

    cout << "Popping queue: " << endl;
    while (!q.empty()) {
        cout << q.front();
        q.pop();
    }
    cout << endl;

    cout << "Popping stack: " << endl;
    while (!s.empty()) {
        cout << s.top();
        s.pop();
    }
    cout << endl;
}