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

typedef long long ll;

int main() {
    double a, b, c, D;
    cin >> a >> b >> c;
    D = b * b - 4 * a * c;
    if (D < 0) {
        cout << "imaginary\n";
        return 0;
    }
    if (D == 0) {
        cout << fixed << setprecision(16) << -b / 2 / a << "\n";
        return 0;
    }
    cout << fixed << setprecision(16) << (-b - sqrt(D)) / 2 / a << " " << (-b + sqrt(D)) / 2 / a << "\n";
}