#include <stdio.h>
#include <stdlib.h>

#define public
#define class   int
#define Program main(void)
#define static
#define Main(x) (*foo)(void);
#define SIZE    1024

typedef char *String;

void   print(String str) { printf("%s \n", str); }
String read()            { String buff = (String) malloc(SIZE * sizeof(char));
                           fgets(buff, SIZE * sizeof(char), stdin);
                           return buff;
                         }

struct { void   (*WriteLine)(String);
         String (*ReadLine)();
       } Console = {print, read};

public class Program
{
    public static void Main(String[] args)
    {
        Console.WriteLine("Hello World!");

        Console.ReadLine();
    }
}