require "prime"
require "set"
A,B = gets.split.map(&:to_i)
# Aの正負の約数を列挙してSetに包む
v = Set.new(Prime.prime_division(A).map {|x| (0..x[1]).map{|e| x[0]**e}}.flatten.uniq.map{|x| [x] + [-x]}.flatten)
puts v.include?(B) ? "YES" : "NO"