# your code goes here
x=input()
y=input()
m1=x
m2=y
while m1!=m2:
if m1<m2:
m1=m1+x
else:
m2=m2+y
print m1
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCng9aW5wdXQoKQp5PWlucHV0KCkKbTE9eAptMj15CndoaWxlIG0xIT1tMjoKCWlmIG0xPG0yOgoJCW0xPW0xK3gKCWVsc2U6CgkJbTI9bTIreQpwcmludCBtMQ==