a = int(input())
b = int(input())
n = 2
if a > b:
    ma = a
    mi = b
elif a<b:
    ma = b
    mi = a
if a==b:
    s=a
else:
    while n <= mi:
        if ma % n == 0 and mi % n == 0:
            s = ma/n*mi
            n=mi+1
        else: s=mi*ma
        n += n
print(s)