#include <iostream>
#include <math.h>
int main()
{
	double a = 1.0;
	double b = 2.0;
	double c = 1.0;
	double d = b*b - 4*a*c;
	a = 1.0 / (2.0 * a );
	d = sqrt( d );
	cout << a * ( -b - d ) << "\n";
	cout << a * ( -b + d ) << "\n";
	return 0;
}