#include <iostream>

#include <deque>

using namespace std;

​

int main() {

  deque<string> cars = {"Volvo", "BMW", "Ford", "Mazda"};

​

  // Remove the first element

  cars.pop_front();

​

  // Remove the last element

  cars.pop_back();

  // Print list elements

  for (string car : cars) {

    cout << car << "\n";

  }

​

  return 0;

}

​