N,X,Y = map(int,input().split())
R = list(map(int,input().split()))
if N == 1:
    if X * X + Y * Y == R[0] * R[0]:
        print("Yes")
    else:
        print("No")
else:
    R.sort()
    R2 = sum(R) * 2 - R[0]
    if X * X + Y * Y <= R2 * R2:
        print("Yes")
    else:
        print("No")