#include<bits/stdc++.h>
using namespace std;

int main() {
    int a,b,c;
    cin >> a >> b >> c;
    int d = 2*a;
    int e = -b;
    int f = b*b-4*a*c;
    if(f < 0) {
        cout << "imaginary" << endl;
    }
    else if(f == 0) {
        cout << fixed << setprecision(10) << (double)(e)/d << endl;
    }
    else {
        double ans1 = ((double)(e)+sqrt(f))/d;
        double ans2 = ((double)(e)-sqrt(f))/d;
        cout << fixed << setprecision(10) << min(ans1,ans2) << " " << max(ans1,ans2) << endl;
    }
}