import math


N,X,Y = map(float, input().split())
R = list(map(float, input().split()))
n = int(N)
Rn = [2*R[i] for i in range(n)]
Rn[0] = R[0]
leng = math.sqrt(X*X+Y*Y)
if leng > Rn[0]:
    if sum(Rn) >= leng:
        print('Yes')
    else:
        print('No')
else:
    if sum(Rn[1:]) >= Rn[0] - leng:
        print('Yes')
    else:
        print('No')