#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

int main() {
    int arr[4][4] = {
        {2, 4, 6, 8},
        {10, 12, 14, 16},
        {18, 19, 20, 22},
        {24, 26, 28, 30}
    };
    
    int n;
    cout << "Enter the number of additional elements: ";
    cin >> n;
    
    vector<int> elements;
    
    // Insert all elements from the 2D array into the vector
    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 4; j++) {
            elements.push_back(arr[i][j]);
        }
    }
    
    // Insert additional elements
    cout << "Enter " << n << " additional elements: ";
    for (int i = 0; i < n; i++) {
        int num;
        cin >> num;
        elements.push_back(num);
    }
    
    // Sort the elements in descending order
    sort(elements.rbegin(), elements.rend());
    
    // Take only the largest 16 elements
    vector<int> largest(elements.begin(), elements.begin() + 16);
    
    // Print the new 4x4 matrix
    cout << "New 4x4 array:\n";
    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 4; j++) {
            cout << largest[i * 4 + j] << " ";
        }
        cout << endl;
    }
    
    return 0;
}