#include <iostream>
#include <cmath>
#include <cstdio>

using namespace std;

int main ()
{
    double a, b, c;
    cin >> a >> b >> c;

    if(b * b - 4 * a * c < 0 || a == 0) cout << "Impossivel calcular" << endl;
    else 
    {
        double dert= b * b - 4 * a * c;
        double x = sqrt(dert);
        double ans1 = (-1 * b + x) / (2 * a);
        double ans2 = (-1 * b - x) / (2 * a);
        printf("R1 = %.5f\n", ans1);
        printf("R2 = %.5f\n", ans2);
    }


    return 0;
}