#include <stdio.h>
#include <string.h>
#include "stringarray3.h"


#define MAX_STRINGS 128


int CompareStrings(char *string1, char *string2)
{
  char *p1 = string1;
  char *p2 = string2;

  while (*p1 && *p2) {
    if (*p1 < *p2) return -1;
    else if (*p1 > *p2) return 1;
    p1++; 
    p2++;
  }

  return 0;
}


int main()
{
  char *strings[MAX_STRINGS];
  int nstrings;

  ReadStrings(strings, &nstrings, MAX_STRINGS, stdin);
  SortStrings(strings, nstrings, CompareStrings);
  WriteStrings(strings, nstrings, stdout);

  return 0;
}