Write a C# Sharp program to compute the sum of three given integers. If the two values are same return the third value

using System;
using System.Linq;
namespace exercises
{
   class Program
    {       
        static void Main(string[] args)
        {
            Console.WriteLine(test(4, 5, 7));
            Console.WriteLine(test(7, 4, 12));
            Console.WriteLine(test(10, 10, 12));
            Console.WriteLine(test(12, 12, 18));
            Console.ReadLine();
        }
       public static int test(int x, int y, int z)
        {
            if (x == y && y == z) return 0;
            if (x == y) return z;
            if (x == z) return y;
            if (y == z) return x;
            return x + y + z;
        }
    }
}