PrimesinGivenRange

using System;
using System.Collections.Generic;
using System.Numerics;

namespace Methods_Bank
{
    class Program
    {
        static void Main(string[] args)
        {
            PrimePrint();
        }
        private static void Cub()
        {
            //Cube properties
            var side = double.Parse(Console.ReadLine());
            var typeCalc = Console.ReadLine();
            //
            var result = 0.0;
            if (typeCalc == "face")
            {
                result = FaceCub(side);
            }
            if (typeCalc == "space")
            {
                result = spaceCub(side);
            }
            if (typeCalc == "volume")
            {
                result = VolumeCub(side);
            }
            if (typeCalc == "area")
            {
                result = SurfaceCub(side);
            }
            Console.WriteLine($"{result:F2}");
        }
        public static double FaceCub(double n)
        {
            var result = Math.Sqrt(2 * Math.Pow(n, 2));
            return result;
        }
        public static double spaceCub(double n)
        {
            var result = Math.Sqrt(3 * Math.Pow(n, 2));
            return result;
        }
        public static double VolumeCub(double n)
        {
            var result = (Math.Pow(n, 3));
            return result;
        }
        public static double SurfaceCub(double n)
        {
            var result = 6 * (Math.Pow(n, 2));
            return result;
        }
        private static void LongLine()
        {
            var x1 = double.Parse(Console.ReadLine());
            var y1 = double.Parse(Console.ReadLine());
            var x2 = double.Parse(Console.ReadLine());
            var y2 = double.Parse(Console.ReadLine());

            var x3 = double.Parse(Console.ReadLine());
            var y3 = double.Parse(Console.ReadLine());
            var x4 = double.Parse(Console.ReadLine());
            var y4 = double.Parse(Console.ReadLine());
            //
            var len1 = LineLenght(x1, y1, x2, y2);
            var len2 = LineLenght(x3, y3, x4, y4);

            if (len1 > len2)
            {
                var closer = CloserOrNot(x1, y1, x2, y2);
                if (closer)
                {
                    Console.WriteLine($"({x1}, {y1})({x2}, {y2})");
                }
                else
                {
                    Console.WriteLine($"({x2}, {y2})({x1}, {y1})");
                }
            }
            else
            {
                var closer = CloserOrNot(x3, y3, x4, y4);
                if (closer)
                {
                    Console.WriteLine($"({x3}, {y3})({x4}, {y4})");
                }
                else
                {
                    Console.WriteLine($"({x4}, {y4})({x3}, {y3})");
                }
            }
        }

        public static bool CloserOrNot(double x1, double y1, double x2, double y2)
        {
            var a = Math.Sqrt(x1 * x1 + y1 * y1);
            var b = Math.Sqrt(x2 * x2 + y2 * y2);
            bool check = true;
            if (a < b)
            {
                check = true;
            }
            else
            {
                check = false;
            }
            return check;
        }
        public static double LineLenght(double x1, double y1, double x2, double y2)
        {
            var lenght = Math.Sqrt(Math.Pow(x1 - x2, 2) + Math.Pow(y1 - y2, 2));
            return lenght;
        }

        private static void CenterPoint1_1(double x1, double y1, double x2, double y2)
        {
            var c = Math.Sqrt(x1 * x1 + y1 * y1);
            Math.Abs(c);
            var nC = Math.Sqrt(x2 * x2 + y2 * y2);
            Math.Abs(nC);
            //
            var x = 0.0;
            var y = 0.0;

            if (c < nC)
            {
                x = x1;
                y = y1;
            }
            if (c > nC)
            {
                x = x2;
                y = y2;
            }
            else
            {
                x = x1;
                y = y1;
            }
            Console.WriteLine($"({x}, {y})");
        }

        private static void CenterPoint(double x1, double y1, double x2, double y2)
        {
            bool first = (x1 < x2) && (y1 < y2);
            bool second = (x1 > x2) && (y1 > y2);
            double x = 0.0;
            double y = 0.0;

            if (first)
            {
                x = x1;
                y = y1;
            }
            if (second)
            {
                y = y2;
                x = x2;
            }
            else
            {
                x = x1;
                y = y1;
            }

            Console.WriteLine($"({x}, {y})");
        }

        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)
        {
            if (n < 0)
            {
                n *= (-1);
            }
            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;
        }

    }
}