using System;

public class Program

{

    public static int hell(int n1,int n2)

    {

     if(n1<n2)

     {

         for( int i=n1; i<=n2;i++)

         {

            return(i + ",");

         }

     }

        if(n1>n2)

        {

            for(int i=n2; i<=n1; i++)

            {

              return int (i+ ",");

            }

        }

    }

    public static void Main()

    {

     int num, number, miao;

        num=int.Parse(Console.ReadLine());

        number=int.Parse(Console.ReadLine());

        miao=hell(num,number);

        Console.WriteLine(miao);

    }

}