n, x, y = map(int, input().split())
r = list(map(int, input().split()))
s = sum(r[1:]) * 2
if r[0] ** 2 >= x ** 2 + y ** 2:
    if r[0] <= s or (r[0] - s) ** 2 <= x ** 2 + y ** 2:
        print('Yes')
    else:
        print('No')
else:
    if (s + r[0]) ** 2 >= x ** 2 + y ** 2:
        print('Yes')
    else:
        print('No')