COMMON IGX1, IGX2
	DIMENSION IGX1(1600), IGX2(1600)
	CALL GCLEAR
	CALL GSTART
10	READ(1,1) IJK
1	FORMAT(I3)
	IGX2(8) = IJK
	IF(IJK-999)10,20,10
20	CALL GSTOP
	STOP
	END