from decimal import *



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

a,b,c=Decimal(a),Decimal(b),Decimal(c)

if c**Decimal(0.5)>a**Decimal(0.5)+b**Decimal(0.5):

  print('Yes')

else:

  print('No')
a,b,c=list(map(int,input().split()))

if 4*a*b<(c-a-b)**2 and a+b<c:

  print('Yes')

else:

  print('No')
from decimal import *

a, b, c = list(map(int, input().split()))
a, b, c = Decimal(a), Decimal(b), Decimal(c)
if c ** Decimal(0.5) > a ** Decimal(0.5) + b ** Decimal(0.5):
    print("Yes")
else:
    print("No")

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

-from decimal import * - -a, b, c = Decimal(a), Decimal(b), Decimal(c) -if c ** Decimal(0.5) > a ** Decimal(0.5) + b ** Decimal(0.5): +if 4 * a * b < (c - a - b) ** 2 and a + b < c: