On form 5329, on line 52 do I put 800 for the RMD I was suppose to take and 0 for line 53. Then 800 on line 54 with 400on line 55?

ballen · ‎June 3, 2019

I took the 2016 RMD and 2017 RMD in 2018 along with the 2018 RMD. I know I need an explanation statement but unsure of line 55.