import java.io.BufferedReader
import java.io.InputStream
import java.io.InputStreamReader
import java.io.PrintWriter
import java.util.*

fun PrintWriter.solve(sc: FastScanner) {
    val a = sc.nextInt()
    val b = sc.nextInt()
    val c = sc.nextInt()
    val d = b * b - 4 * a * c
    if (d < 0) {
        println("imaginary")
    } else if (d == 0) {
        println(-b.toDouble() / (2.0 * a))
    } else {
        val r = Math.sqrt(d.toDouble())
        val s1 = (-b + r) / (2.0 * a)
        val s2 = (-b - r) / (2.0 * a)
        val x1 = minOf(s1, s2)
        val x2 = maxOf(s1, s2)
        println("$x1 $x2")
    }
}

fun main() {
    val writer = PrintWriter(System.out, false)
    writer.solve(FastScanner(System.`in`))
    writer.flush()
}

class FastScanner(s: InputStream) {
    private var st = StringTokenizer("")
    private val br = BufferedReader(InputStreamReader(s))

    fun next(): String {
        while (!st.hasMoreTokens()) st = StringTokenizer(br.readLine())

        return st.nextToken()
    }

    fun nextInt() = next().toInt()
    fun nextLong() = next().toLong()
    fun nextLine() = br.readLine()
    fun nextDouble() = next().toDouble()
    fun ready() = br.ready()
}