import java.util.*;
public class Main {
public static void main(String args[]) {
Scanner sc = new Scanner(System.in);
double a = sc.nextDouble();
double b = sc.nextDouble();
double c = sc.nextDouble();
double d = b*b-(4*a*c);
if(d>0){
double r1= -b-Math.sqrt(d)/(2*a);
double r2 = -b+Math.sqrt(d)/(2*a);
System.out.println("real but distinct");
if(r1>r2)
System.out.println(r2+" "+r1);
else
System.out.println(r1+" "+r2);
}
else if(d==0){
double r1 = -b/(2*a);
double r2=r1;
System.out.println("real and equal");
}
else{
System.out.println("");
}
}
}