from decimal import Decimal

a, b, c = list(map(int,input().split()))

if Decimal(a).sqrt() + Decimal(b).sqrt() < Decimal(c).sqrt():

    print("Yes")

else:

    print("No")

import math

a, b, c = list(map(int, input().split()))

ab = a * b

out = c - a - b

num = ((out))**2

if out < 0:

  num = -num 

if 4*ab < num:

  print("Yes")

else:

  print("No")











from decimal import Decimal

a, b, c = list(map(int, input().split()))
if Decimal(a).sqrt() + Decimal(b).sqrt() < Decimal(c).sqrt():
    print("Yes")
else:
    print("No")

import math

a, b, c = list(map(int, input().split()))
ab = a * b
out = c - a - b
num = ((out)) ** 2
if out < 0:
    num = -num
if 4 * ab < num:
    print("Yes")
else:
    print("No")

-from decimal import Decimal +import math -if Decimal(a).sqrt() + Decimal(b).sqrt() < Decimal(c).sqrt(): +ab = a * b +out = c - a - b +num = ((out)) ** 2 +if out < 0: +    num = -num +if 4 * ab < num: