import math



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



# a + b + 2 sqrt(ab) < c

# c - a - b > 2 sqrt(ab)

# (c - a - b)^2 > 4ab



if (c - a - b)**2 > 4 * a * b and c - a - b > 0:

    print('Yes')

else:

    print('No')
from decimal import Decimal



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



a = Decimal(str(a)).sqrt()

b = Decimal(str(b)).sqrt()

c = Decimal(str(c)).sqrt()



if a + b < c:

    print('Yes')

else:

    print('No')
import math

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

from decimal import Decimal

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

-import math +from decimal import Decimal -# a + b + 2 sqrt(ab) < c -# c - a - b > 2 sqrt(ab) -# (c - a - b)^2 > 4ab -if (c - a - b) ** 2 > 4 * a * b and c - a - b > 0: +a = Decimal(str(a)).sqrt() +b = Decimal(str(b)).sqrt() +c = Decimal(str(c)).sqrt() +if a + b < c: