void addNumberToArray(struct NumberArray *arr, struct Number *number)
{
    if (arr->array == NULL)
    {
        arr->array = malloc(sizeof(struct Number));
    }
    else
    {
        arr->array = realloc(arr->array, (arr->length + 1) * sizeof(struct Number));
    }
    arr->array[arr->length].value = number->value;
    arr->array[arr->length].length = number->length;
    arr->array[arr->length].row = number->row;
    arr->array[arr->length].symbol = number->symbol;
    arr->array[arr->length].index = number->index;
    arr->length++;
}