#include <stdio.h>

struct Point {
  double x, y;
};

struct Point *getPoint() {
  struct Point p;

  printf("Please supply a point: ");
  scanf("%lf%lf",&p.x, &p.y);

  return &p;
}

int main() {
  struct Point *a; 

  a = getPoint();
  printf("a = (%lf, %lf)\n", a->x, a->y);
  
  return 0;
}