BLOCK DATA MYBLK
      IMPLICIT DOUBLE PRECISION (A-H,O-Z)
      COMMON /MYCOM/ IVAR1, IVAR2, IVAR3, IVAR4, EVAR5
            DATA IVAR1, IVAR2, IVAR3, IVAR4, EVAR5 /2*3,2*2,0.0D0/
      END