#include <stdio.h> /* necessary for any I/O */
#include <stdlib.h> /* necessary for exit */

typedef int boolean; /* no standard booleans available, define them here */
  
#define TRUE 1 /* TRUE must be <>0, otherwise if-statement don't work */
#define FALSE 0 /* FALSE must be 0 for if-statements to work */


int main () {
  

  int num[5];
  int i;
  boolean ordered;

  num[0] = 1;
  num[1] = 2;
  num[2] = 4;
  num[3] = 3;
  num[4] = 5;

  i = 1;

  ordered = TRUE;

  while (i < 5) {
    
    if (ordered && num[i] >= num[i-1]) {
      i++;
    }
    else {
      printf ("The array is not ordered!");
      exit (1); /* indicate failure: return value != 0 */
    }
  }

  printf ("The array is ordered");

  exit (0); /* indicate success: return value 0 */

}