require 'prime'

A, B = gets.split.map(&:to_i)
n = A + B
ans = 1

A.prime_division.each do |e, cnt|
  cnt.times do
    break if n % e != 0
    n /= e
    ans *= e
  end
end

B.prime_division.each do |e, cnt|
  cnt.times do
    break if n % e != 0
    n /= e
    ans *= e
  end
end

puts ans