C Created: Joe Zachary, January 28, 1993
C Modified: 

C Illustrates loops that have steps other than 1


      PROGRAM LOOP
      IMPLICIT NONE
      INTEGER SUM, I

      SUM = 0

      DO I = 5, 100, 5
         SUM = SUM + I
      ENDDO

      PRINT *, 'The sum of the numbers is ', SUM

      STOP
      END