using System;

public class Program

{

    public static void Main()

    {

        int a1=int.Parse(Console.ReadLine());

        int a2=int.Parse(Console.ReadLine());

      for (int i=1;i<=Math.Min(a1,a2);i++){

        Console.WriteLine(i);

     }

           Console.WriteLine(" ");

   for (int z=1;z<=Math.Max(a1,a2);z++){

         Console.WriteLine(z);

        }

    }

}