#include <iostream>
#include <vector>

using namespace std;

int main() {
    vector<string> inventory;

    inventory.push_back("sword");
    inventory.push_back("shield");
    inventory.push_back("boots");
    inventory.pop_back();

    string front = inventory.front();
    cout << "First element in inventory: " << front << "\n";

    string back = inventory.back();
    cout << "Last element in inventory: " << back << "\n";

    cout << "\n";

    for (int i = 0; i < inventory.size(); i++) {
        cout << i << ": " << inventory[i] << "\n";
    }
}