from decimal import Decimal



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



if (Decimal(a).sqrt() + Decimal(b).sqrt()) >= Decimal(c).sqrt():

    print('No')

else:

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



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

    print('Yes')

else:

    print('No')

from decimal import Decimal

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

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

-from decimal import Decimal - -if (Decimal(a).sqrt() + Decimal(b).sqrt()) >= Decimal(c).sqrt(): +if 4 * a * b < (c - a - b) ** 2 and c - a - b > 0: +    print("Yes") +else: -else: -    print("Yes")