#include <stdio.h>
int main(void) {
  int a;
  int *aptr;
  char hello[] = "Hello, World!\n";
  char *hptr;
  a = 10;
  aptr = &a;
  printf("a: %d\n", *aptr);
  hptr = hello + 7;
  printf("%s\n", hptr);
  while (*hptr) {
    printf("%c ", *hptr++);
  }
  printf("\n");
  return 0;
}