[mssms] Sp1 to r2 cu3 or 4 would be included???

[Hun boy]

When migrating from sp1 to sccm 2012 r2 all the cumulative updates are included 
as built-in in sccm2012 r2???? Or do need to separately install at sp1 level 
and the. Only I can upgrade to r2

Sent from iPhone....sorry for typos