#include <bits/stdc++.h>
#include <atcoder/modint.hpp>

using namespace std;
using ll = long long;
using mint = atcoder::modint998244353;
#define rep(i, n) for (int i=0; i<n; i++)

int main() {
    ll n,m,k;
    cin >> n >> m >> k;
    vector<ll> s(n), a(m), b(m);
    rep(i, n) {
        cin >> s[i];
        s[i]--;
    }
    rep(i, m) cin >> a[i];
    rep(i, m) cin >> b[i];
    vector br(n+1, vector<ll>(m, 0));
    for (int i = 1; i <= n; i++) {
        rep(j, m) br[i][j] = br[i-1][j];
        br[i][s[i-1]] = i;
    }
    vector dp(n+2, vector<mint>(k+1, 0));
    dp[1][0] = 1;
    for (int i=2; i < n+2; i++) rep(j, k+1) {
        ll si = s[i-2];
        ll bpos = br[i-2][si];
        if (j - a[si] >= 0) dp[i][j] += dp[i-1][j-a[si]] - dp[bpos][j-a[si]];
        if (j - b[si] >= 0) dp[i][j] += dp[i-1][j-b[si]] - dp[bpos][j-b[si]];
        dp[i][j] += dp[i-1][j];
    }
    cout << dp[n+1][k].val() << '\n';
}