#include <stdio.h>
#include <math.h>

double solve1(double a,double b,double c){
	if(a==0){
		return -c/b;
	}
	if(b*b-4*a*c<0){
		printf("Complex\n");
		return 0;
	}
	return (-b+sqrt(b*b-4*a*c))/2/a;
}

double solve2(double a,double b,double c){
	if(a==0){
		return -c/b;
	}
	if(b*b-4*a*c<0){
		printf("Complex\n");
		return 0;
	}
	return (-b-sqrt(b*b-4*a*c))/2/a;
}

int main(void){
	double a,b,c,x1,x2;
	a=1.0;
	b=3.0;
	c=2.0;
	x1=solve1(a,b,c);
	x2=solve2(a,b,c);
	printf("x1=%lf\n",x1);
	if(x1!=x2){
		printf("x2=%lf\n",x2);
	}
	return 0;
}