#include<cstdio>
#include<cmath>
#include<iostream>
using namespace std;
int main()
{
    double a,b,c;
    cin>>a>>b>>c;
    if(b*b-4*a*c<0||a==0)
    printf("Impossivel calcular");
    else 
    printf("R1 = %.5lf\nR2 = %.5lf",(-b+sqrt(b*b-4*a*c))/(2*a),(-b-sqrt(b*b-4*a*c))/(2*a));
    return 0;
}