16
SET 0 1
SET 1 1
SET 2 1
SET 3 1
RANDOM 15
XOR 15 3
XOR 3 15
AND 15 3
XOR 2 15
AND 15 2
XOR 1 15
AND 15 1
XOR 0 15
AND 15 0
JZ 4 15
STOP