I have a LTG of about $18,200 LESS $1274 TAX FROM ANOTHER STATE. How do I show it when I have a LT loss carryforward of 21,397 for 2017

If the loss carry forward is entered in the program it will be handled automatically on the Sch D... 

type in Capital Loss Carryover in the Search box to jump to that section to enter or confirm the amount ...