#include
#include
void main()
{float a,b,c,disc,x1,x2,realpart,imagpart;
scanf("%f,%f,%f",&a,&b,&c);
disc=b*b-4*a*c;
if(fabs(disc)0.0001)
{x1=(-b+sqrt(disc))/(2*a);
x2=(-b-sqrt(disc))/(2*a);
printf("has two different roots:%8.4fand%8.4fn",x1,x2);
}
else
{realpart=-b/(2*a);
imagpart=sqrt(-disc)/(2*a);
printf("has complex roots:n");
printf("%8.4f+%8.4fin",realpart,imagpart);
printf("%8.4f-%8.4fin",realpart,imagpart);
}