#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
#define ll long long
#define rep(i,n) for (int i = 0; i < (n); i++)
#define coutf(f) cout << fixed << setprecision(f)
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()

int main() {
	double a, b, c;
	cin >> a >> b >> c;
	double D = b * b - 4 * a * c;
	if (D > 0) {
		coutf(10) << (-b - sqrt(D)) / (2 * a) << endl;
		coutf(10) << (-b + sqrt(D)) / (2 * a) << endl;
	}
	else if (D == 0) {
		coutf(10) << -b / (2 * a) << endl;
	}
	else {
		cout << "imaginary" << endl;
	}
	return 0;
}