using System;

namespace Nested_Loops
{
    class Nested_Loops
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            int primeSum = 0;
            int notPrimeSum = 0;
            while (input != "stop")
            {
                int curentNum = int.Parse(input.ToString());
                if (curentNum<0)
                {
                    Console.WriteLine("Number is negative.");
                    input = Console.ReadLine();
                    continue;
                }
                int counter = 0;
                for (int i = 1; i <= curentNum; i++)
                {
                    if (curentNum%i==0)
                    {
                        counter++;
                    }
                }
                if (counter==2)
                {
                    primeSum += curentNum;
                }
                else
                {
                    notPrimeSum += curentNum;
                }
                input = Console.ReadLine();
            }
            Console.WriteLine($"Sum of all prime numbers is: {primeSum}");
            Console.WriteLine($"Sum of all non prime numbers is: {notPrimeSum}");
        }
    }
}