Hello, goodbye

YOU SAY YES, I SAY NO YOU SAY STOP AND I SAY GO, GO, GO OH NO YOU SAY GOODBYE AND I SAY HELLO HELLO, HELLO I DON?T KNOW WHY YOU SAY GOODBYE I SAY HELLO, hello hello I don't know why you say goodbye I say hello I SAY HIGH, YOU SAY LOW YOU SAY WHY AND I SAY I DON?T KNOW OH NO YOU SAY GOODBYE AND I SAY HELLO... repeat x3 YOU SAY YES I SAY NO YOU SAY STOP I SAY GO GO GO oh no you say goodbye and I say hello