#include <iostream>
#include <cmath>

using namespace std;

int
main()
{
    float a, b, c, d;
    float r1, r2;

    cout << "Enter a, b and c" << endl;
    cin >> a >> b >> c;

    d = (b * b) - (4 * a * c);

    if (d < 0) {
        cout << "No real roots" << endl;
        return (0);
    }

    r1 = (-b + sqrt(d)) / (2 * a);
    r2 = (-b - sqrt(d)) / (2 * a);

    cout << "First root: " << r1 << endl;
    cout << "Second root: " << r2 << endl;

    return (0);
}