#include <stdio.h>
void cubeByReference(int *);
main() {
  int number = 5;
  printf("The original value of number is: %d\n", number);
  cubeByReference(&number);
  printf("The new value of number is: %d\n", number);
  return 0;
}
void cubeByReference(int *nPtr) {
  *nPtr = *nPtr * *nPtr * *nPtr;
}