#include<stdio.h>

enum days {mon, tue, wed, thu, fri, sat, sun};

int main()
{
   enum days day;

   printf("Wednesday is %d\n", wed);

   for (day = mon; day <= sun; day++) {
      if (day == sun) {
         printf("It's Sunday!\n");
      } else {
         printf("day = %d\n", day);
      }
   }

   return 0;
}