using System;

class MyType{   
   internal int val;
   public MyType( int val ) { this.val = val; }
   public static MyType operator +(MyType c1, MyType c2){
      Console.WriteLine("MyType operator+({0},{1}) called", c1.val, c2.val);
      return new MyType(c1.val + c2.val);
   }

   public static Boolean operator ==(MyType c1, MyType c2){
      Console.WriteLine("MyType operator==({0},{1}) called", c1.val, c2.val);
      return c1.val == c2.val;
   }

   public static Boolean operator !=(MyType c1, MyType c2){
      Console.WriteLine("MyType operator!=({0},{1}) called", c1.val, c2.val);
      return c1.val != c2.val;
   }
}

class App{
   public static void Main(){
      MyType m1 = new MyType( 4 );
      MyType m2 = new MyType( 5 );

      MyType m3 = m1+m2;
      Boolean b = (m3==m2);
   }
}