hs2={}
1.upto(1000){|i|
	hs2[i*i]=0
}
n,z=gets.split(" ").map{|e| e.to_i}
if z==1 || n>2 then
	puts "No"
elsif n==1 then
	puts "Yes"
else
	z2=z*z
	ans="No"
	hs2.keys.each{|x2|
		t=z2-x2
		ans="Yes" if hs2.member?(t)
	}
	puts ans
end