Any one can conert this query in linq

Question

DECLARE @param int

SET @param = 1

select * from COA_AccountMaster a

join COA_AccountType t on a.Id = t.COA_AccountMasterId

join BankAccounts b on t.Id = b.COA_AccountTypeId

WHERE

a.Id = 3 AND (

(@param = 1 AND b.COA_AccountTypeId IN (11,9))) OR

a.Id = 1 AND (

(@param = 1 AND b.COA_AccountTypeId IN (1,2,3,4,5)))