import math

from decimal import Decimal

a,b,c = [int(x) for x in input().split()]



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

    print("Yes")

else:

    print("No")

a,b,c = [int(x) for x in input().split()]



if c - a - b < 0:

    print("No")

elif 4 * a * b < (c - a - b) ** 2:

    print("Yes")

else:

    print("No")

import math
from decimal import Decimal

a, b, c = [int(x) for x in input().split()]
if (Decimal(a).sqrt() + Decimal(b).sqrt()) < Decimal(c).sqrt():
    print("Yes")
else:
    print("No")

a, b, c = [int(x) for x in input().split()]
if c - a - b < 0:
    print("No")
elif 4 * a * b < (c - a - b) ** 2:
    print("Yes")
else:
    print("No")

-import math -from decimal import Decimal - -if (Decimal(a).sqrt() + Decimal(b).sqrt()) < Decimal(c).sqrt(): +if c - a - b < 0: +    print("No") +elif 4 * a * b < (c - a - b) ** 2: