import java.io.File;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Collection;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import java.util.Scanner;

public class DayMonth
{
   public static void main(String[] args) throws IOException
   {
      PrintStream output = System.out;
      
      Map<String, Integer> daysInMonth =
      new LinkedHashMap<String, Integer>();
      daysInMonth.put("Jan", 31);
      daysInMonth.put("Feb", 28);
      daysInMonth.put("Mar", 31);
      daysInMonth.put("Apr", 30);
      daysInMonth.put("May", 31);
      daysInMonth.put("Jun", 30);
      daysInMonth.put("Jul", 31);
      daysInMonth.put("Aug", 31);
      daysInMonth.put("Sep", 30);
      daysInMonth.put("Oct", 31);
      daysInMonth.put("Nov", 30);
      daysInMonth.put("Dec", 31);
      
      for (String month : daysInMonth.keySet())
      {
         output.printf("%s : %d%n", month, daysInMonth.get(month));
      }
      
      Set<Integer> days = new TreeSet<Integer>(daysInMonth.values());
      
      for (Integer day : days)
      {
         output.printf("%d%n", day);
      }
      
      for (Integer day : days)
      {
         for (String month : daysInMonth.keySet())
         {
            if (daysInMonth.get(month).equals(day))
            {
               output.printf("%s : %d%n", month, day);
            }
         }
         output.println("---");
      }
   }
}