#include <iostream>
#include <vector>
#define REP(i, n) for (int i = 0; i < n; i++)
typedef long long ll;
using namespace std;

ll mul(ll a, ll b, int K) {
    ll a_a = a % K;
    ll b_a = b % K;
    return (a_a * b_a) % K;
}
ll plu(ll a, ll b, int K) {
    ll a_a = a % K;
    ll b_a = b % K;
    return (a_a + b_a) % K;
}
int main() {
    int N,M,K;
    cin>>N>>M>>K;
    string op;
    cin >> op;
    vector<ll> vc;
    REP(i, M) {
        ll l;
        cin >> l;
        vc.push_back(l);
    }
    ll result = 0;
    REP(i, N) {
        ll l;
        cin >> l;
        if (op == "+") {
            REP(j, M) {
                result = plu(result ,plu(l, vc.at(j), K), K);
            }
        } else if (op == "*") {
            REP(j, M) {
                result = plu(result, mul(l, vc.at(j), K), K);
            }
        }
    }
    cout << result << endl;
    return 0;
}