using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        string[] str=Console.ReadLine().Split(' ');

        int[] arr=Array.ConvertAll(str,x=>int.Parse(x));

        int[] arr2=arr.Distinct().ToArray();

    /*  foreach(var item in arr2)

        {

         Console.Write(item+" ");

        }*/

        int count=0;

        int[] arr3=new int[arr2.Length];

        for(int i=0;i<arr2.Length;i++)

        {

            count=0;

            for(int j=0;j<arr.Length;j++)

            {

              if(arr2[i]==arr[j])

              {

                  count++;

              }

            }

            arr3[i]=count;

        }       

        //Array.Reverse(arr);

        for(int i=0;i<arr2.Length;i++)

        {

            int flag=0;

            for(int j=2;j<arr3[i];j++)

            {

                if(arr3[i]%j==0)

                {

                    flag=1;

                    break;

                }

            }

            if(flag==0)

            {

             Console.WriteLine(arr2[i]+" count val: "+arr3[i]);

            }

        }

    }

}