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")
    exit()

maxr = 2 * sum(R) - min(R)
if x**2 + y**2 <= maxr**2:
    print("Yes")
else:
    print("No")