static void Main(string[] args)
 {
     int []a = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
     func(ref a);
     Console.ReadLine();
 }
 static void func(ref int[] x)
 {
     Console.WriteLine(" numbers are:");
     for (int i = 0; i < x.Length; i++)
     {
         if (x[i] % 2 == 0)
         {
             x[i] = x[i] + 1;
             Console.WriteLine(x[i]);
         }
     }
 }

static void Main(string[] args)
  {
      int X = 0;
      if (Convert.ToBoolean(X = 0))
      Console.WriteLine("It is zero");
      else 
      Console.WriteLine("It is not zero");
      Console.ReadLine();
  }

static void Main(string[] args)
    {
       int X = 6,Y = 2;
       X  *= X / Y;
       Console.WriteLine(X);
       Console.ReadLine();
    }

static void Main(string[] args)
    {
        int x = 4 ,b = 2;
        x -= b/= x * b;
        Console.WriteLine(x + " " + b);
        Console.ReadLine();
    }

static void Main(string[] args)
   {
       int x = 8;
       int b = 16;
       int C = 64;
       x /= b /= C;
       Console.WriteLine(x + " " + b+ " " +C);
       Console.ReadLine();
   }

static void Main(string[] args)
   {
       int x = 8;
       int b = 16;
       int C = 64;
       x /= b /= C;
       Console.WriteLine(x + " " + b+ " " +C);
       Console.ReadLine();
   }static void Main(string[] args)
 {
     int a = 5;
     int s = 0, c = 0;
     Mul (a, ref s, ref c);
     Console.WriteLine(s + "t " +c);
     Console.ReadLine();
 }
 static void Mul (int x, ref int ss, ref int cc)
 {
     ss = x * x;
     cc = x * x * x;
 }