package main

import . "fmt"
import . "math"

func main() {
	var a,b,c int64
	Scan(&a,&b,&c)
	d := b*b - 4*a*c
	if d < 0 {
		Println("imaginary")
	} else if d == 0 {
		Printf("%.10f\n", float64(-b)/float64(2*a))
	} else {
		x1 := (float64(-b)-Sqrt(float64(d)))/float64(2*a)
		x2 := (float64(-b)+Sqrt(float64(d)))/float64(2*a)
		Printf("%.10f %.10f\n", x1, x2)
	}
}