5diffNums

using System;

namespace DifferentNums
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            int a = int.Parse(Console.ReadLine());
            int b = int.Parse(Console.ReadLine());

            int counter = 0;

            for (int n1 = a; n1 <= b; n1++)
            {
                for (int n2 = a; n2 <= b; n2++)
                {
                    for (int n3 = a; n3 <= b; n3++)
                    {
                        for (int n4 = a; n4 <= b; n4++)
                        {
                            for (int n5 = a; n5 <= b; n5++)
                            {
                                if (a<=n1&&n1<n2&&n2<n3&&n3<n4&&n4<n5&&n5<=b)
                                {
                                    Console.WriteLine($"{n1} {n2} {n3} {n4} {n5}");
                                    counter++;
                                }
                            }
                        }
                    }
                }
            }
            if (counter == 0)
            {
                Console.WriteLine("No");
            }

        }
    }
}