[<reference> account management]-> [<input> user input]
[user input]-> [<choice> 1. My profile]
[1. My profile]-> yes [<reference> user profile]
[1. My profile]-> no [<choice> 2. Change language]
[2. Change language]-> yes [<reference> choose language]
[2. Change language]-> no [<choice> 3. Check balance]
[3. Check balance]-> yes [<reference> mini statement inquiry pin authorization]
[3. Check balance]-> no [<choice> 4. Change PIN]
[4. Change PIN]-> yes [<reference> current pin]
[4. Change PIN]-> no [<choice> 5. Opt out of market place]
[5. Opt out of market place]-> yes [<reference> opt out of market place pin authorization]
[5. Opt out of market place]-> no [<choice> 0. Back]
[0. Back]-> yes [<reference> start menu]
[0. Back]-> no [<reference> exit invalid menu option]