#include <bits/stdc++.h>
#define rep(i,n) for (int i=0; i < (n); i++)
using namespace std;
using ll = long long;

int main(){
    ios::sync_with_stdio(false);
    cout << std::fixed << std::setprecision(15);
    double a,b,c; cin>>a>>b>>c;
    
    double D = b*b - 4*a*c;
    double a2 = 2*a;
    cerr << a2 << endl;
    if(D < 0){
        cout << "imaginary" << endl;
    }else if(D==0){
        cout << (-b)/(2*a) << endl;
    }else{
        cout << ((-b)-sqrt(D))/(a2) << " " << ((-b)+sqrt(D))/(a2) << endl;
    }
}