from decimal import *
getcontext().prec = 10000

a, b, c = list(map(int, input().split()))
aa = Decimal(a).sqrt()
bb = Decimal(b).sqrt()
cc = Decimal(c).sqrt()
d = c - a - b -Decimal(2)*aa*bb
print(d)

if d > 0:
    print("Yes")
else:
    print("No")