import math a,b,c = map(int, input().split(' ')) delta = b**2 - 4 a c if delta >= 0:

print("YES")
x1 = ((-1)*b + math.sqrt(delta)) / (2*a)
x2 = ((-1)*b - math.sqrt(delta)) / (2*a)
print('%.2f'%x1,'%.2f'%x2)

else:

print("NO")