inf=10**18
dxy=[(0,1), (1,0), (-1, 0), (0, -1)]
mod=10**9+7
MOD=998244353
def main():
    N, X, Y = map(int, input().split())
    R =  [int(i) for i in input().split()]
    dis = (X**2+Y**2)**(1/2)
    if N==1:
        print("Yes" if R[0]==dis else "No")
        return
    if sum(R)*2-min(R)>=dis: print("Yes")
    else: print("No")
main()