a, b = map(int, input().split())
def gy(a, b):
while (b != 0):
c = a % b
a = b
b = c
return a
print(int((a * b) / gy(a, b)))

a, b = map(int, input().split())
def gy(a, b):
while (b != 0):
c = a % b
a = b
b = c
return a
print(int((a * b) / gy(a, b)))