a = 2000000000
b = 2000000000
while a >= 2000000000 && b >= 2000000000 do
  a = gets.chomp.to_i
  b = gets.chomp.to_i
end

if a > b then
  c = a
else
  c = b
end

d = 0

for i in 1..c do
  if a % i == 0 && b % i == 0 then
    d = i
    end
  end
print d
print " "

for i in 1..2000000000 do
  if i % a == 0 && i % b == 0 then
    print i
    break
    end
  end