/* Exercise 5.18 Solution */
#include <stdio.h>

int 
even (int number);

void
main ()
{
  int x, i;
      
  for  (i = 1; i <= 3; i++) 
    {
      printf ("Enter an integer: ");
      scanf ("%d", &x);
      
      if (even (x))
        printf ("%d is an even integer\n\n", x);
      else
        printf ("%d is an odd integer\n\n", x);
    }
}

int 
even (int number)
{
  if (number % 2 == 0)
    return 1;
  else
    return 0;
}