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

int main() {
    ll a,b,c;
    cin >> a >> b >>c;
    ll D = b*b-4*a*c;
    if(D<0){
        cout << "imaginary" << endl;
        return 0;
    }
    if(D==0){
        cout << double(-b)/double(2*a) << endl;
        return 0;
    }

    cout << setprecision(10)<< (double(-b) - sqrt(D))/double(2*a) <<" " <<(double(-b) + sqrt(D))/double(2*a) << endl;


    return 0;
}