MethodAndDebug

using System;
using System.Collections.Generic;

namespace Methods_Debug
{
    class Program
    {
        static void Main(string[] args)
        {
            PrimePrint();
        }

        private static void PrimePrint()
        {
            var n = int.Parse(Console.ReadLine());
            var n1 = int.Parse(Console.ReadLine());
            //
            List<int> isP = FindPrimesInRange(n, n1);

            for (int i = 0; i < isP.Count; i++)
            {
                if (isP[i] != isP[isP.Count - 1])
                {
                    Console.Write(isP[i] + ", ");
                }
                else
                {
                    Console.WriteLine(isP[i]);
                }
            }
        }

        public static List<int> FindPrimesInRange(int startNum, int endNum)
        {
            List<int> nn = new List<int>();
            var isPP = false;
            for (int i = startNum; i <= endNum; i++)
            {
                isPP = Prime(i);
                if (isPP)
                {
                    nn.Add(i);
                }
            }
            return nn;
        }

        public static bool Prime(long n)
        {
            if (n==0 || n==1)
            {
                return false;
            }
            for (int i = 2; i <= Math.Sqrt(n); i++)
            {
                if (n % i == 0)
                {
                   return false;
                }
            }
            return true;
        }

        private static void Fibb()
        {
            var num = long.Parse(Console.ReadLine());
            var n = Fib(num);
            Console.WriteLine(n);
        }

        public static long Fib(long n)
        {
            if (n ==0)
            {
                return 1;
            }
            if (n == 1)
            {
                return 1;
            }
            if (n == 2)
            {
                return 2;
            }
            long fi = Fib(n - 1) + Fib(n - 2);
            return fi;

        }

        private static void ReversedData()
        {
            var num = Console.ReadLine();
            var newW = Reversed((num));
            double rever = Convert.ToDouble(newW);
            Console.WriteLine(rever);
        }

        public static string Reversed(string str)
        {
            string newnum ="";
            for (int i = str.Length-1; i >=0; i--)
            {
                newnum += str[i];
            }
            return newnum;
        }
        public static void EnglishName(long n)
        {
            long lastDigit = n % 10;
            var str = "";
            switch (lastDigit)
            {
                case 0: str = "zero"; break;
                case 1: str = "one"; break;
                case 2: str = "two"; break;
                case 3: str = "three"; break;
                case 4: str = "four"; break;
                case 5: str = "five"; break;
                case 6: str = "six"; break;
                case 7: str = "seven"; break;
                case 8: str = "eight"; break;
                case 9: str = "nine"; break;
            }
            Console.WriteLine(str);

        }

        private static void GetMaxx()
        {
            var a = int.Parse(Console.ReadLine());
            var b = int.Parse(Console.ReadLine());
            var c = int.Parse(Console.ReadLine());
            //
            var max = 0;
            if (GetMax(a, b) > c)
            {
                max = GetMax(a, b);
            }
            else
            {
                max = c;
            }
            Console.WriteLine(max);
        }

        public static int GetMax(int a, int b)
        {
            var greatest = 0;
            if (a>b)
            {
                greatest = a;
            }
            else
            {
                greatest = b;
            }
            return greatest;
        }

        private static void Greeting()
        {
            //Name => Greeting
            var input = Console.ReadLine();
            string prt = Hello(input);
            Console.WriteLine(prt);
        }

        public static string Hello(string h)
        {
            var hello = $"Hello, {h}!";
            return hello;
        }
    }
}