Convert your semaphores from 0-9 to a-i using
tr/0-9/a-i/ and vice versa. Then, you can have 0034, store aacd, covert it back, and you're fine.
Being right, does not endow the right to be rude; politeness costs nothing.
Being unknowing, is not the same as being stupid.
Expressing a contrary opinion, whether to the individual or the group, is more often a sign of deeper thought than of cantankerous belligerence.
Do not mistake your goals as the only goals; your opinion as the only opinion; your confidence as correctness. Saying you know better is not the same as explaining you know better.