I think the song actually uses B instead of Fm, but I use Fm because it's easier 
to switch too, and it still sounds fine. 
Feel free to use B if you like though.

(lyrics may not be 100% accurate, sorry for any mistakes)

D (repeat)

D (xx0232@1)    Fm (133111@1)    D (xx0232@1)     GHello (320003@1)Monday, Goodbye bread.

D (xx0232@1)      Fm (133111@1)     D (xx0232@1)     G (320003@1)   F (133211@1)name="chord_x02220@1">A DBedtime (xx0232@1)someday, wash my head.

G (320003@1)           A (x02220@1)   D (xx0232@1)     C (x32010@1)  G (320003@1)          F (133211@1) A (x02220@1)  DSo (xx0232@1)who plays the games, we all play.   Won't you play me today.

G (320003@1)            A (x02220@1)     D (xx0232@1)        C (x32010@1)  G (320003@1)            F (133211@1)name="chord_x02220@1">A DWho (xx0232@1)sings the songs, they're all gone;     Won't you sing along.

D (xx0232@1)     Fm (133111@1)    D (xx0232@1)    G (320003@1)    D (xx0232@1) Fm (133111@1)      D (xx0232@1)      G (320003@1) F (133211@1)name="chord_x02220@1">A DHello (xx0232@1)friend, goodbye blue. Hello me and goodbye to you; hell-o

G (320003@1)            A (x02220@1)  D (xx0232@1)     C (x32010@1)   G (320003@1)           F (133211@1) A (x02220@1) DSo (xx0232@1)who plays the games, we all play,     won't you play me today;

G (320003@1)            A (x02220@1)    D (xx0232@1)        C (x32010@1)   G (320003@1)           F (133211@1)name="chord_x02220@1">A Dand (xx0232@1)who sings the songs, they're all gone,     won't ya sing along.

D (xx0232@1)     Fm (133111@1)    D (xx0232@1)     GHello (320003@1)Monday, Goodbye Bread.

(if you think something should be fixed, email me: reyes.ethan1@gmail.com)