MDX - Parsing a value from one dim to another

Following query pass year 2016 value from [Period] dimension to [Exchange Rate] Dim.

WITH 
member YearX as 
NONEMPTY(
[Period].[Operational Year - Semester - Quarter - Month].[Year].&[2016] ,
[Measures].[Targets - EdoxabanNetSalesTargets]).item(0).Properties("Key")

SELECT  {[Measures].[Exchange Rate]}
on 0, non empty
 (
 [Exchange Rate].[From Currency].[From Currency]
, [Exchange Rate].[To Currency].[To Currency]
)
on 1 from [XXXX Cube]
where STRTOMEMBER( "[Exchange Rate].[Operational Year Key].[Operational Year Key].&[" + 
YearX
+ "]")