#include <stdio.h>

#define MESSAGE "Hello World"


int main() {

  printf("%s\n",MESSAGE);
  return 0;

}

// After preprocessing, the main function will look
// as shown below in comments.
// You can see this output by running gcc -E constant.c
//
// int main() {
//
//   printf("%s\n","Hello World");
//   return 0;
//
//}