YOU SAID:

if i do this i get a cat and a puppy

INTO JAPANESE

これをやると猫と子犬がもらえる

BACK INTO ENGLISH

If you do this you get a cat and a puppy

INTO JAPANESE

あなたがこれをすればあなたは猫と子犬を得る

BACK INTO ENGLISH

If you do this you get a cat and a puppy