Display Hello World without semicolon

C# version

namespace WriteHelloWorld
{
class Program
{
static void Main(string[] args)
{

while (!"0".Equals(System.Console.Title = "Hello world").Equals(System.Console.ReadLine()))
{
}

}
}
}


C++ version
#include "stdio.h"

int main()
{
while( !printf( "Hello World\n" ) )
{
}
}