using System;

using System.Collections.Generic;

using System.IO;

using System.Linq;

​

public class Solution

{

​

    /*

     * Complete the timeConversion function below.

     */

    static string timeConversion(String s)

    {

        /*

         * Write your code here.

         */        

        if (s.Contains("AM"))

        {

            s = s.Remove(s.LastIndexOf('A'), 2);

        }

        else

        {

            s = s.Replace("PM","");

            int[] intT = s.Split(':').Select(Int32.Parse).ToArray();

            s = String.Concat((intT[0] + 12).ToString(), s.Remove(0, 2));

        }

        return s;

    }

​

    public static void Main(string[] args)

    {

        //TextWriter tw = new StreamWriter(@System.Environment.GetEnvironmentVariable("OUTPUT_PATH"), true);

​

        string s = Console.ReadLine();

​

        string result = timeConversion(s);

​

        Console.WriteLine(result);

    }

}

​