﻿//Write a program that reads a year from the console and checks whether it is a leap one.
//Hint: Use System.DateTime.
//Input
//On the only line you will receive a number - the year
//Output
//Print "Leap" or "Common" on a single line depending on the year
//Constraints
//Time limit: 0.1s
//Memory limit: 16MB
//Sample tests
//Input   Output
//2016	  Leap
//1996	  Leap
//1900	  Common
//2000	  Leap
//681	  Common
//3400	  Common

using System;

class LeapYear
{
    static void Main()
    {
        int year =int.Parse(Console.ReadLine());
        
        if (DateTime.IsLeapYear(year))
        {
            Console.WriteLine("Leap");
        }
        else
        {
            Console.WriteLine("Common");
        }
        
    }
}

