Convert format week to date format

Hello, good evening.

I would like to ask for help, I need to pass the next column week by date.

However, when using the following DAX, I have problems with weeks 1 to 9, since they only have 1 digit, try to add the 0 before, replacing for example the 1 by the 01, however, I change all the values where a 1 appears, example the 11 becomes a 101 or 110.

WeekStart = 
MINX(
    FILTER (
        CALENDAR (
            DATE ( LEFT ( [YEARWEAK], 4 ), 1, 1 ),
            DATE ( LEFT ( [YEARWEAK], 4 ), 12, 31 )
        ),
        WEEKNUM ( [Date], 1 ) = VALUE ( RIGHT ( [YEARWEAK], 2 ) )
    ),
    [Date]
)

The above is as follows, where weeks 1 to 9, are incorrect.

Thanks for reading!