// ch 4 wksht 2
#include <iostream>
#include <cmath>
using namespace std;

int main()
{
	int a, b, c;
	double discriminant, x1, x2, root1, imaginary1;

	cin >> a >> b >> c;

	discriminant = pow(double (b),2) - 4*a*c;
	
	if (discriminant < 0)		// have 2 imaginary roots
	{
		root1 = -b/(2*a);
		imaginary1 =sqrt(-discriminant)/(2*a);

		if (imaginary1 > 0)
		{
			cout << root1 << "+" << imaginary1 << "i" << endl;
			cout << root1 << "-" << imaginary1 << "i" << endl;
		}
		else
		{
			imaginary1 = -imaginary1;
			cout << root1 << "+" << imaginary1 << "i" << endl;
			cout << root1 << "-" << imaginary1 << "i" << endl;
		}

	}
	else						// have 1 or 2 real roots
	{
		x1 = (-b + sqrt(double (b)*b - 4*a*c))/(2*a);
		x2 = (-b - sqrt(double (b)*b - 4*a*c))/(2*a);

		if (x1 == x2)
		{
			cout << x1 << endl;
		}
		else
		{
			cout << x1 << endl << x2 << endl;
		}
	}




	return 0;
}