a = gets.split(' ').map(&:to_i)
if a[0] >= 3
	puts 'No'
	exit
end
if a[0] == 1
	if a[1] == 1
		puts 'No'
	else
		puts 'Yes'
	end
	exit
end
for z in 1..a[1]
	next if z == 0
	for j in 1..a[1]
		next if j == 0
		if z * z + j * j == a[1] * a[1]
			puts 'Yes'
			exit
		end
	end
end
puts 'No'