N, X, Y = map(int, input().split())
R = list(map(int, input().split()))

D = X**2+Y**2
if N == 1:
    print('Yes' if D == R[0]**2 else 'No')
    exit()

R.sort()
a = sum(R)*2-R[0]
print('Yes' if a**2 >= D else 'No')