using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NList;
        if (n[0] < 0)
        {
            n[0] = -n[0];
            n[1] = -n[1];
            n[2] = -n[2];
        }
        var r = n[1] * n[1] - 4 * n[0] * n[2];
        if (r < 0)
        {
            WriteLine("imaginary");
            return;
        }
        if (r == 0)
        {
            WriteLine(-n[1] / 2.0 / n[0]);
        }
        else
        {
            WriteLine($"{(- Math.Sqrt(r) - n[1]) / 2 / n[0]} {(Math.Sqrt(r) - n[1]) / 2 / n[0]}");
        }
    }
}