func main()
	do cui@print("? 0 0\n")
	do cui@flush()
	var d: int :: cui@inputInt()
	do cui@print("? 100 0\n")
	do cui@flush()
	var d2: int :: cui@inputInt()
	for y(0, 100)
		for x(0, 100)
			if(x ^ 2 + y ^ 2 = d & (x - 100) ^ 2 + y ^ 2 = d2)
				do cui@print("! \{x} \{y}\n")
				do cui@flush()
			end if
		end for
	end for
end func