#include<bits/stdc++.h>

typedef long double ld;
using namespace std;

struct MyIO {
    MyIO(){
        cin.tie(0); 
        ios::sync_with_stdio(false); 
        cout << fixed << setprecision(15);
    }
} IO_OI;

int main() {
    ld a,b,c; cin>>a>>b>>c;
    ld d = b*b-4*a*c;
    if(d<0) {
        cout << "imaginary" << endl;
        return 0;
    } else if(d==0) {
        cout << -b/(2*a) << endl;
        return 0;
    }
    cout <<  (-b-sqrt(d))/(2*a) << " " << (-b+sqrt(d))/(2*a) << endl;
    return 0;
}