N, X, Y = map(int, input().split())
X = abs(X)
Y = abs(Y)

if N == 1:
    R = int(input())
    if X * X + Y * Y == R * R:
        print("Yes")
    else:
        print("No")
else:
    R = list(map(int, input().split()))
    R.sort()
    D = R[0]
    for r in R[1:]:
        D += r + r
    if X * X + Y * Y <= D * D:
        print("Yes")
    else:
        print("No")