using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace exr_07_sumPrimeNonPrime
{
    class Program
    {
        static void Main(string[] args)
        {
            int sumPrime = 0;
            int sumNonPrime = 0;

            while (true)
            {
                // console input
                string txt = Console.ReadLine();

                // check if there is a stop word
                if (txt == "stop") break;

                // check if num is negative
                int num = int.Parse(txt);
                if (num < 0 )
                {
                    Console.WriteLine("Number is negative.");
                }
                else
                {
                    int i = 2;

                    while (num % i != 0) i++;

                    if (i == num)
                        sumPrime += num;
                    else
                        sumNonPrime += num;
                }
            }

            // output the result
            Console.WriteLine($"Sum of all prime numbers is: {sumPrime}");
            Console.WriteLine($"Sum of all non prime numbers is: {sumNonPrime}");

        }
    }
}