func main()
	var a: int :: cui@inputInt()
	var b: int :: cui@inputInt()
	var c: int :: cui@inputInt()
	
	var d: int :: b ^ 2 - 4 * a * c
	if(d < 0)
		do cui@print("imaginary\n")
	else
		var x1: float :: (-b $ float - lib@sqrt(d $ float)) / (2 * a) $ float
		var x2: float :: (-b $ float + lib@sqrt(d $ float)) / (2 * a) $ float
		if(d = 0)
			do cui@print("\{x1}\n")
		else
			do cui@print("\{x1} \{x2}\n")
		end if
	end if
end func