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

int main (void)
{
     int a;
     int b;
     int c;
     float delta;
     float x1,x2;
     scanf ("%d%d%d",&a,&b,&c);

     delta = b*b - 4*a*c;
     
     if (delta>0)
     {
        x1 = (-b + sqrt(delta)) / (2*a);     
        x2 = (-b + sqrt(delta)) / (2*a);     
        printf ("%f%f",x1,x2);
     }
     else  if (delta==0)
     {
        x1 = (-b) / (2*a);
        x2 = x1;
        printf ("x1 = x2 = %f",x1);
     }
     else 
     {
        printf ("No solution!!\n");
     }
}