calyear and fiscalyear

Hello Experts,

I am creating a query and the variable for input should be fiscalyear peiod. But the cube which I am using to build the query is having cal year month.

so please guide me how can I give the selection screen to the user in fiscal year period format and then I need to use that values and convet it into cal year month and need to fetch the data from the cube.

thanks you