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public class ConvertMonthN2Str {

    public static void main(String[] args) {
        // Check if there is exactly one command-line argument
        if (args.length != 1) {
            System.out.println("Please provide a month number as an argument.");
            return;
        }

        // Try to parse the argument as an integer
        try {
            int monthNumber = Integer.parseInt(args[0]);
            // Array of month names
            String[] months = {
                "January", "February", "March", "April", "May", "June",
                "July", "August", "September", "October", "November", "December"
            };

            // Check if the month number is valid
            if (monthNumber >= 1 && monthNumber <= 12) {
                System.out.println(months[monthNumber - 1]); // Print the corresponding month
            } else {
                System.out.println(monthNumber + " is not a valid month");
            }
        } catch (NumberFormatException e) {
            System.out.println(args[0] + " is not a valid month");
        }
    }
}