#include <stdio.h>

#define MSG Hello
#define cat(x, y) x ## y
#define cat2(x, y) cat(x, y)
#define HELLO(name) cat2(MSG,name)

void HELLO(Dave)() {
  printf (" I am %s", __FUNCTION__);
}


int main(void) {
	// your code goes here
    HelloDave();
	return 0;
}