def candidate(p, q, d)
  ts = []
  (0..100).each do |y|
    (0..100).each do |x|
      if ((p - x) ** 2 + (q - y) ** 2) == d then
        ts.push([x, y])
      end
    end
  end
  return ts
end

def intersection(s, t)
  u = []
  s.each do |x|
    u.push(x) if t.include?(x)
  end
  return u
end

def get_candidate(p, q)
  puts "? #{p} #{q}"
  STDOUT.flush

  d = gets.chomp.to_i

  return candidate(p, q, d)
end

def main(argv)
  p = 50
  q = 50

  ts1 = get_candidate(p, q)

  p = ts1[0][0]
  q = ts1[0][1]

  ts2 = get_candidate(p, q)

  ts = intersection(ts1, ts2)

  p = ts[0][0]
  q = ts[0][1]

  puts "! #{p} #{q}"
  STDOUT.flush
end

main(ARGV) if self.to_s == 'main'