from decimal import Decimal

A,B,C=list(map(int,input().split()))

if (C-A-B)<0:

  print("No")

else:  

  if Decimal(4*A*B)<Decimal((C-A-B)**2):

    print("Yes")

  else:

    print("No")
A,B,C=list(map(int,input().split()))

if (C-A-B)<0:

  print("No")

else:  

  if 4*A*B<(C-A-B)**2:

    print("Yes")

  else:

    print("No")
from decimal import Decimal

A, B, C = list(map(int, input().split()))
if (C - A - B) < 0:
    print("No")
else:
    if Decimal(4 * A * B) < Decimal((C - A - B) ** 2):
        print("Yes")
    else:
        print("No")

A, B, C = list(map(int, input().split()))
if (C - A - B) < 0:
    print("No")
else:
    if 4 * A * B < (C - A - B) ** 2:
        print("Yes")
    else:
        print("No")

-from decimal import Decimal - -    if Decimal(4 * A * B) < Decimal((C - A - B) ** 2): +    if 4 * A * B < (C - A - B) ** 2: