$_=("111=8","DCC-D","CA11 BB2=1 CC=(A-9) 21=8×1 A-5=5-1 DC9-A DD8-A 6×5-6=1 CC1-1 7-6=C×2 B-8=C-C 71=(21) B-5=(5-1) C-9=C-C B-8=C-C BB11 DD-1-1 CA2=1 9/9DA CCA-A 6-1=6-6")[rand 3];s/\w\K\B/+/g;s/\w/hex$&/ge;s/(.*)=/($1)×/g;print