n, x, y = map(int, input().split())
R = list(map(int, input().split()))

if n == 1:
    if x**2 + y**2 == R[0]**2:
        print("Yes")
    else:
        print("No")

if max(R) == R[0]:
    minr = R[0]
    for i in range(1, n):
        minr -= R[i] * 2
        if minr <= 0:
            minr = 0
            break
else:
    minr = 0
r = sum(R) * 2 - R[0]
if minr**2 <= x**2 + y**2 <= r**2:
    print("Yes")
else:
    print("No")