#include <iostream>
#include <cmath>
int main() {
double a, b, c, x1, x2;
scanf("%lf%lf%lf", &a, &b, &c);
if (b * b - 4 * a * c < 0 || a == 0) {
puts("Impossivel calcular");
return 0;
}
x1 = (-b + sqrt(b * b - 4 * a * c)) / (2 * a);
x2 = (-b - sqrt(b * b - 4 * a * c)) / (2 * a);
printf("R1 = %.5lf\nR2 = %.5lf\n", x1, x2);
return 0;
}