Indicate all the pronouns (they, them, you, he, his, her, you, it, etc.) present in the given sentence. If there are multiple such pronouns in a sentence, then list them in the order of their first appearance in the given sentence. If a pronoun appears multiple times in a sentence, list it only once.

Ex Input:
i saw jim yelling at some guy in a military uniform with a huge red beard. i don't know who he was, but he looked very unhappy.

Ex Output:
i, he


Ex Input:
in the storm, the tree fell down and crashed through the roof of my house. now, i have to get it repaired.

Ex Output:
my, i, it


Ex Input:
paul tried to call george on the phone, but he wasn't available.

Ex Output:
he