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- using System;
- namespace Sum_Prime_Non_Prime
- {
- class Program
- {
- static void Main(string[] args)
- {
- string input = Console.ReadLine();
- int sumPrime = 0;
- int sumNonPrime = 0;
- while (input != "stop")
- {
- int counter = 0;
- int number = int.Parse(input);
- if (number < 0)
- {
- Console.WriteLine("Number is negative.");
- input = Console.ReadLine();
- continue;
- }
- for (int i = 2; i <= number; i++)
- {
- if (number % i == 0)
- {
- counter++;
- }
- }
- if (counter == 1)
- {
- sumPrime += number;
- }
- else
- {
- sumNonPrime += number;
- }
- input = Console.ReadLine();
- }
- Console.WriteLine($"Sum of all prime numbers is: {sumPrime}");
- Console.WriteLine($"Sum of all non prime numbers is: {sumNonPrime}");
- }
- }
- }
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