using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        //int [] nums = new int[6] {5, 9, 3, 4, 10, 6};

        //List<int> num2 = (from num in nums where (num%3)==0 select num).ToList();

        //var numQuery = from num in nums where (num%2)==0 select num;

        //foreach (int num in numQuery)

        //{

        //  Console.WriteLine(num);

        //}

        //foreach (int num in num2)

        //{ 

        //  Console.WriteLine(num);

        //}

        int i = 0;

            int j = 0;

            int flag = 0;

            for (i = 2; i <= 100; i++)

            {

                j = 2;

                flag = 0;

                while(j<=(i/2))

                {

                    if (i % j == 0)

                    {

                        flag = 1;

                        break;

                    }

                    j++;

                }

​

                if(flag==0)

                    Console.Write(i + " ");

​

            }

            Console.WriteLine();

    }

}