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

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