N,X,Y = map(int,input().split())
A = list(map(int,input().split()))
B = list(map(int,input().split()))

P = 998244353

ans = 0
for i in range(18):
    a = 0
    b = 0
    mask = 1 << i
    for j in A:
        if mask & j:a += 1
    for j in B:
        if mask & j:b += 1
    tmp = 0
    x = 1
    y = 1
    if b == 0:continue
    if a == X:
        tmp = pow(X,N - 1,P) * a * pow(Y,N - 1,P) * b % P
        ans += tmp
        continue
    u = a * pow(X - a,N - 1,P) * pow(b,N,P) % P
    r = X * Y * pow(b * (X - a),P - 2,P) % P
    if r == 1:
        v = N
    else:
        v = (1 - pow(r,N,P)) * pow(1 - r,P - 2,P) % P
    ans += u * v % P * mask % P
    
print(ans % P)