from decimal import *

import math



getcontext().prec = 28



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

a = Decimal(a)

b = Decimal(b)

c = Decimal(c)



a = Decimal.sqrt(a)

b = Decimal.sqrt(b)

c = Decimal.sqrt(c)



if a + b < c:

    print("Yes")

else:

    print("No")

from decimal import *

import math



getcontext().prec = 50



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

a = Decimal(a)

b = Decimal(b)

c = Decimal(c)



a = Decimal.sqrt(a)

b = Decimal.sqrt(b)

c = Decimal.sqrt(c)



if a + b < c:

    print("Yes")

else:

    print("No")

from decimal import *
import math

getcontext().prec = 28
a, b, c = list(map(int, input().split()))
a = Decimal(a)
b = Decimal(b)
c = Decimal(c)
a = Decimal.sqrt(a)
b = Decimal.sqrt(b)
c = Decimal.sqrt(c)
if a + b < c:
    print("Yes")
else:
    print("No")

from decimal import *
import math

getcontext().prec = 50
a, b, c = list(map(int, input().split()))
a = Decimal(a)
b = Decimal(b)
c = Decimal(c)
a = Decimal.sqrt(a)
b = Decimal.sqrt(b)
c = Decimal.sqrt(c)
if a + b < c:
    print("Yes")
else:
    print("No")

-getcontext().prec = 28 +getcontext().prec = 50