#!/usr/bin/python
import numpy as np 

a,b,c=np.loadtxt("sv.dat")
print a,b,c

def root(a,b,c):
    dt2=b**2-4.*a*c
    if dt2 > 0.:
        x1=(-b+np.sqrt(dt2))/(2.*a)
	x2=(-b-np.sqrt(dt2))/(2.*a)
	return "kaks ruudu",x1,x2
    if dt2 == 0.:
	x1=x2=-b/(2.*a)
	return "uks ruut",x1,x2
    if dt2 <0.:
	x1=-b/(2.*a)
	x2=np.sqrt(-dt2)/(2.*a)
	return "complex",x1,x2
print root(a,b,c)