mod = 998244353
N, X, Y = map(int, input().split())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
Xdiv = pow(X, mod-2, mod)
Ydiv = pow(Y, mod-2, mod)
U = pow(X * Y % mod, N, mod)

ans = 0
for i in range(18):
    Acnt = 0
    Bcnt = 0
    for a in A:
        Acnt += (a >> i) & 1
    for b in B:
        Bcnt += (b >> i) & 1

    dp0, dp1 = 1, 0
    for _ in range(N):
        ndp0 = dp0 * (X - Acnt) * Xdiv
        ndp1 = dp0 * Acnt * Xdiv + dp1
        dp0 = ndp0 % mod
        dp1 = ndp1 % mod
        ndp0 = dp0 + dp1 * (Y - Bcnt) * Ydiv
        ndp1 = dp1 * Bcnt * Ydiv
        dp0 = ndp0 % mod
        dp1 = ndp1 % mod

    ans += dp1 * (1 << i)
    ans %= mod

print(ans * U % mod)