"Jestem młody."

Translation: I am young.

[Stardecki]

I am moldy

I am young

[DorothyRoholt]

I agree with the previous comment. The ending depends on the gender of the speaker, correct? It would be helpful to have such hints.

[majka386568]

I put "i am young" and DL marked me wrong!

[Jellei]

It definitely shouldn't have, it's the main answer. Well, with a capital "I", but capitalization isn't marked.