def oi(): return int(input())
def os(): return input()
def mi(): return list(map(int, input().split()))

input_count = 0
N, X, Y = mi()
R = mi()

sr = sum(R)*2 - min(R)

if N!=1:
    if X**2 + Y**2 <= sr**2:
        print("Yes")
    else:
        print("No")
else:
    if X**2 + Y**2 == sr**2:
        print("Yes")
    else:
        print("No")