import sys

input = lambda: sys.stdin.readline().rstrip()

from decimal import *



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





a = Decimal(a).sqrt()

b = Decimal(b).sqrt()

c = Decimal(c).sqrt()



if a + b < c:

    print("Yes")

else:

    print("No")    
import sys

input = lambda: sys.stdin.readline().rstrip()



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



if c - a - b < 0:

    print("No")

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

    print('Yes')

else:

    print('No')
import sys

input = lambda: sys.stdin.readline().rstrip()
from decimal import *

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

import sys

input = lambda: sys.stdin.readline().rstrip()
a, b, c = list(map(int, input().split()))
if c - a - b < 0:
    print("No")
elif 4 * a * b < (c - a - b) ** 2:
    print("Yes")
else:
    print("No")

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