from math import *

a,b,c=map(float,input().split())
d=b*b-4*a*c
if d>=0:
    print("YES")
    x1=(-b+sqrt(d))/2/a
    x2=(-b-sqrt(d))/2/a
    print(f'{x1:.6f} {x2:.6f}')
else:
    print("NO")