import java.util.Scanner;
import java.lang.Math;
public class Main{
public static void main(String[] args) {
Scanner First = new Scanner(System.in);
double a = First.nextDouble();
double b = First.nextDouble();
double c = First.nextDouble();
if ( a == 0 || a<-100 || a>100 || b<-100 || b>100 || c<-100 || c>100){
return;
}
double criteria = (b*b) - (4*a*c);
double FirstA = (-b + Math.pow(((b*b)-(4*a*c)), 0.5)) / (2*a);
double SecondA = (-b - Math.pow(((b*b)-(4*a*c)), 0.5)) / (2*a);
if (criteria > 0){
if ( FirstA > SecondA){
System.out.printf("%.1f", FirstA);
}
if (SecondA > FirstA){
System.out.printf("%.1f", SecondA);
}
}
if (criteria == 0){
System.out.printf("%.1f", ((-b)/(2*a)));
}
if (criteria < 0){
System.out.printf("Complex");
}
}
}
