a, b, c, d = gets.to_s.split.map{|t| t.to_i }

discriminant = ( a - c ) ** 2 - 4 * 2 * ( b - d )

if discriminant < 0
  puts "No"
elsif discriminant == 0
  puts "Yes"
else
  
  x0 = ( -( a - c ) - discriminant ** 0.5 ) / ( 2.0 * 2 )
  x1 = ( -( a - c ) + discriminant ** 0.5 ) / ( 2.0 * 2 )
  
  y0 = x0 ** 2 + a * x0 + b
  y1 = x1 ** 2 + a * x1 + b
  
  s = ( y1 - y0 ) / ( x1 - x0 )
  q = y0 - s * x0
  
  puts "#{s} #{q}"
end