require 'matrix'

input = gets.split.map(&:to_i)

a = [input[0],input[1]]
b = [input[2],input[3]]
c = [input[4],input[5]]

a_b = Vector[b[0]-a[0],b[1]-a[1]]
b_c = Vector[c[0]-b[0],c[1]-b[1]]
c_a = Vector[a[0]-c[0],a[1]-c[1]]

if a_b.inner_product(b_c) == 0 && a_b.r == b_c.r
  puts "#{c[0]-a_b[0]} #{c[1]-a_b[1]}"
  return
end

if b_c.inner_product(c_a) == 0 && b_c.r == c_a.r
  puts "#{a[0]-b_c[0]} #{a[1]-b_c[1]}"
  return
end

if c_a.inner_product(a_b) == 0 && c_a.r == a_b.r
  puts "#{b[0]-c_a[0]} #{b[1]-c_a[1]}"
  return
end

puts (-1)