Mengisi Elemen Array yang Kosong C++

#include <iostream>
using namespace std;

int main()
{

    int Array1[4] = {1, 2, 3, 4};

    int Array2[6];

    cout << "\n\t Mengisi Elemen Array yg Kosong \n\n";

    cout << " Elemen Array sebelum ditambahkan : ";

    for (int i = 0; i < 4; i++)
    {

        cout << Array1[i] << " ";
    }

    cout << endl;

    for (int j = 0; j < 6; j++)
    {

        Array2[j] = Array1[j];

        if (j == 4 || j == 5)
        {

            cout << "\n Isi elemen array pada baris ke " << j + 1 << " : ";
            cin >> Array2[j];
        }
    }

    cout << "\n Elemen array setelah ditambahkan : ";

    for (int k = 0; k < 6; k++)
    {

        cout << Array2[k] << " ";
    }

    cout << endl
         << endl;
}