a, b = gets.split
a = a.slice( 0, a.index( ?. ) ) + a.slice( a.index( ?. ) + 1 .. -1 )
b = b.slice( 0, b.index( ?. ) ) + b.slice( b.index( ?. ) + 1 .. -1 )
a = Rational( a, 10000 )
b = Rational( b, 10000 )
res = Rational( a ** b )
if res.denominator == 1 then
  puts "Yes"
else
  puts "No"
end