#include <bits/stdc++.h> using namespace std; int main(){ double a,b,c,t; cin>>a>>b>>c; t=sqrt(pow(b,2)-4*a*c); t>=0&&a?printf("R1 = %.5f\nR2 = %.5f\n",(-b+t)/2/a,(-b-t)/2/a):printf("Impossivel calcular"); }