#include <iostream>
#include <cmath>
using namespace std;
const double EPS = 1e-10;
int main(){
    int a, b, c;
    cin >> a >> b >> c;
    if(b * b - 4 * a * c < 0){
        cout << "imaginary" << endl;
        return 0;
    }
    else if(b * b == 4 * a * c){
        double d = a, e = b;
        d += EPS;
        e += EPS;
        printf("%.10lf\n", -e / (2 * d));
    }
    else{
        double d = a, e = b, f = c;
        d += EPS;
        e += EPS;
        f += EPS;
        double t = sqrt(e * e - 4 * d * f);
        double ans1 = (-e - t) /(2 * d), ans2 = (-e + t) / (2 * d);
        printf("%.10lf %.10lf\n", ans1, ans2);
    }
}