#include <stdio.h>
double hokkus(int i, double *x);
main()
{
  int i = 13, j;
  double x, y = 1, a[3] = {1, 2, 3};
  x = hokkus(i, &y);
  j = i / 5;
  printf("%d %f %f\n%f %d %d\n",
	 i, x, y, a[1], i % 5, j);
}
double hokkus(int i, double *x)
{
  *x = i + 1;
  i = 3;
  return (2 * *x);
}