using System;

class MyType{   
   Int32 val;

   public static implicit operator MyType(Int32 i) {
      Console.WriteLine("operator MyType({0}) called", i);
      MyType m = new MyType();
      m.val = i;
      return m;
   }

   public static explicit operator Int32(MyType m) {
      Console.WriteLine("operator Int32({0}) called", m.val);
      return m.val;
   }
}

class App{
   public static void Main(){
      MyType m = 10;      

      Int32 i = 20 + (Int32)m;
      m = (MyType)i;

      Console.WriteLine((Int32)m);      
   }
}