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

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    long double a,b,c; cin >> a >> b >> c;
    long double D = b * b - 4 * a * c;
    cout << fixed << setprecision(20);
    if(D < 0) {
        cout << "imaginary" << endl;
    } else if(D == 0) {
        cout << -b / (2.0 * a) << endl;
    } else {
        cout << (-b - sqrtl(D)) / (2.0 * a) << " " << (-b + sqrtl(D)) / (2.0 * a) << endl;
    }
}