/* File: gym4.c

   Demonstrating nested loops
   Nested loops. Alternate between sit ups & push ups.
*/

#include <stdio.h>

int main() {

   int i, j, day ;

   printf("This week I go to the gym\n") ;

   day = 1 ;
   while (day <= 7) {

      printf("\n") ;

      if (day % 2 == 1) {

         printf("Day %d: on odd days I do sit ups.\n", day) ;

         i = 1 ;
         printf("   Sit up:") ;
         while(i <= 10) {
            printf(" #%d", i) ;
            i = i + 1 ;
         }
         printf("\n") ; 

      } else {

         printf("Day %d: on even days I do push ups.\n", day) ;

         j = 1 ;
         printf("  Push up:") ;
         while(j <= 10) {
            printf(" #%d", j) ;
            j = j + 1 ;
         }
         printf("\n") ; 

      }  // end of else

      day = day + 1 ;

   } // end of while day

   return 0 ;
}