import java.io.*;

public class Days
{
    public static void main (String[] args)
        throws IOException
    {
        InputStreamReader reader =
            new InputStreamReader (System.in);

        BufferedReader input =
            new BufferedReader (reader);

        System.out.print ("Enter the month: ");

        String month = input.readLine ();
        month = month.toUpperCase ();

        int month_number = 0;

        if (month.startsWith ("JAN"))
            month_number = 1;
        else if (month.startsWith ("FEB"))
            month_number = 2;
        else if (month.startsWith ("MAR"))
            month_number = 3;
        else if (month.startsWith ("APR"))
            month_number = 4;
        else if (month.startsWith ("MAY"))
            month_number = 5;
        else if (month.startsWith ("JUN"))
            month_number = 6;
        else if (month.startsWith ("JUL"))
            month_number = 7;
        else if (month.startsWith ("AUG"))
            month_number = 8;
        else if (month.startsWith ("SEP"))
            month_number = 9;
        else if (month.startsWith ("OCT"))
            month_number = 10;
        else if (month.startsWith ("NOV"))
            month_number = 11;
        else if (month.startsWith ("DEC"))
            month_number = 12;

        int days = 0;
        switch (month_number)
            {
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:
                days = 31;
                break;
            case 4:
            case 6:
            case 9:
            case 11:
                days = 30;
                break;
            case 2:
                days = 28;
                break;
            }

        System.out.println (month +
                            " is month number " +
                            month_number +
                            "\n" +
                            "It has " +
                            days +
                            " days.");
    }
}