#include<stdio.h>
#include<math.h>
int main()
{
    double a,b,c,disc,x1,x2,realpart,imagpart;
    scanf("%lf,%if,%if",&a,&b,&c);
    printf("The equation");
    if(fabs(a)<=0)
        printf("is not a quadratic\n");
    else
    {
        disc=b*b-4*a*c;
        if(fabs(disc)<=0)
            printf("has two equal roots:%8.4f\n",-b/(2*a));
        else
            if(disc>0)
            {
                x1=(-b+sqrt(disc)/(2*a);
                x2=(-b-sqrt(disc)/(2*a);
                printf("has distinct real roots: %8.4f and %8.4f\n",x1,x2);
            }
            else
            {
                realpart=-b/(2*a);
                imagpart=sqrt (-disc)/(2*a);
                printf("has complex roots:\n");
                printf("%8.4f+%8.4fi\n",realpart,imagpart);
                printf("%8.4f-%8.4fi\n:,realpart,imagpart);
            }
            
    }
    return 0;

}

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