# your code goes here
a=int(input())
b=int(input())
c=int(input())
d=(b**2)-(4*a*c)
print( "DISCRIMINANT-" , d)
if(d==0):
print("roots are equal")
r= (-b)/(2*a)
print(r)
elif(d>0):
print("roots are real and distinct")
r1= [(-b)+(d**0.5)]/(2*a)
r2= [(-b)-(d**0.5)]/(2*a)
print(r1, r2)
else:
print("roots are not real")
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