#include <bits/stdc++.h>
using namespace std;
#include <atcoder/fenwicktree>
using namespace atcoder;

using ll = long long;
#define rep(i, n) for(int i = 0; i < n; i++)

int main() {
	int a, b, c;
	cin >> a >> b >> c;
	int D = b * b - 4 * a * c;
	if(D < 0) cout << "imaginary" << endl;
	else {
		double x1 = (-b + sqrt(D)) / (2 * a);
		double x2 = (-b - sqrt(D)) / (2 * a);
		if(x1 > x2) swap(x1, x2);
		if(x1 != x2) cout << fixed << setprecision(12) << x1 << " " << x2 << endl;
		else cout << fixed << setprecision(12) << x1 << endl;
	}
}