Compile and Execute C# Sharp Online

using System;

namespace HelloWorldApplication {
   
   class HelloWorld {
      
      static void Main(string[] args) {
         /* my first program in C# */
         Console.WriteLine("Hello World");
         Console.ReadKey();
      }
   }
}
/* Binary Stuffs*/
uint32_t BCDadd(uint32_t a,uint32_t b)
{
    uint32_t  t1, t2;    // unsigned 32-bit intermediate values

    t1 = a + 0x06666666;
    t2 = t1 ^ b;                   // sum without carry propagation
    t1 = t1 + b;                   // provisional sum
    t2 = t1 ^ t2;                  // all the binary carry bits
    t2 = ~t2 & 0x11111110;         // just the BCD carry bits
    t2 = (t2 >> 2) | (t2 >> 3);    // correction
    return t1 - t2;                // corrected BCD sum
    /*text*/
    using System;

namespace That {
   
   class Hate {
      
      static void Main(string[] args) {
         /* my first program in C# */
         Console.WriteLine("I Hate You");
         Console.ReadKey();
      }
   }
}