def GCD(a, b):
  if b == 0:
    return a
  else:
    return GCD(b, a % b)
def solve(A, B):
  g = GCD(A, B)
  a, b = A//g, B//g
  G = 1
  G *= GCD(a+b, a)
  G *= GCD(a+b, b)
  G *= GCD(a+b, g)
  G *= g
  return G

A, B = map(int, input().split())

ans = solve(A, B)
print(ans)