please solve the error for identifying child control in menu bar

i want a code for

Im a learner for coded ui test. can u please guide me for one flow of the applciation.
In my application i have child items like in menu bar we have child items
like
1 (if we place the cursor on 1 it displays 2 )
2 (if we place the cursor on 2 it displays3,4,5,6 ) 3
4
5


now the query is i want to click 3
while rcording it is identified.but in playback it is not working