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

int main ()
{
 char strCommand[] = ""; //User type command to order calendars.
 double dBill = 0.00;  // Bill (without discount).
 double iCounter = 0.00; // How many calendars were ordered.
 printf("\nType what kind of calendars you want to order.");
 printf("\nThe options are - Small, Medium, Big and Special.");
 printf("\nIf you order more than 3 calendars - you got 20 percent discount!");
 printf("\nPrices: \nSmall - 2.40 dollars \nMedium - 3.50 dollars \nBig - 6.30 dollars \nSpecial - 12.00 dollars");
 printf("\nType Done! when you are ready to order.\n");

 do
 {
  scanf("%s", &strCommand);

  if (strcmp(strCommand, "Small") == 0)
  {
   printf("Small calendar ordered.\n");
   dBill += 2.40;
   iCounter += 1;
  }
  if(strcmp(strCommand, "Medium") == 0)
  {
   printf("Medium calendar ordered.\n");
   dBill += 3.50;
   iCounter += 1;
  }
  if(strcmp(strCommand, "Big") == 0)
  {
   printf("Big calendar ordered.\n");
   dBill += 6.30;
   iCounter += 1;
  }
  if(strcmp(strCommand, "Special") == 0)
  {
   printf("Special calendar ordered.\n");
   dBill += 12.00;
   iCounter += 1;
  }
 } while (strcmp(strCommand, "Done!") != 0);

 if (iCounter < 4)
 {
  printf("\nYou ordered %.0lf calendars!", iCounter);
  printf("\nYour bill is %.2lf dollars.", dBill);
 }
 else
 {
  dBill = dBill * 0.80;
  printf("\nYou ordered %.0lf calendars! You got 20 percent off!", iCounter);
  printf("\nYour bill is %.2lf dollars.", dBill);
 }

 return 0;
}