from decimal import *

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

if Decimal(a)**Decimal("0.5") + Decimal(b)**Decimal("0.5") < Decimal(

        c)**Decimal("0.5"):

    print("Yes")

else:

    print("No")

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

# a + 2√ab + b < c , 2√ab < c - a - b, 4ab < (c - a - b)^2

if c - a - b < 0:

    print("No")

else:

    print(("Yes" if 4 * a * b < (c - a - b)**2 else "No"))

from decimal import *

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

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

-from decimal import * - -if Decimal(a) ** Decimal("0.5") + Decimal(b) ** Decimal("0.5") < Decimal(c) ** Decimal( -    "0.5" -): -    print("Yes") +# a + 2√ab + b < c , 2√ab < c - a - b, 4ab < (c - a - b)^2 +if c - a - b < 0: +    print("No") -    print("No") +    print(("Yes" if 4 * a * b < (c - a - b) ** 2 else "No"))