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.

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

Output: i, he


Input: Consider Input: adam can't leave work here until bob arrives to replace him. if bob had left home for work on time, he would be gone by this time.

Output: him, he, this


Input: Consider Input: bob collapsed on the sidewalk. soon he saw carl coming to help. he was very concerned.


Output: he