#include <iostream>
#include <vector>

using namespace std;
using ll = long long;
using ull = unsigned long long;

ull seed;
int next() {
    seed = seed ^ (seed << 13);
    seed = seed ^ (seed >> 7);
    seed = seed ^ (seed << 17);
    return (seed >> 33);
}

int main() {
    int n, q;
    cin >> n >> q >> seed;
    for (int i = 0; i < 10000; i++) next();

    vector<int> a(n);
    for (int i = 0; i < n; i++) a[i] = next();

    vector<vector<int>> bucket(100000);
    for (int i = 0; i < n; i++) bucket[a[i] / 100000].push_back(a[i]);

    vector<int> cnt(100000 + 1);
    for (int i = 0; i < 100000; i++) cnt[i + 1] = cnt[i] + bucket[i].size();

    vector<int> xs(q);

    ll sm = 0;
    for (int i = 0; i < q; i++) {
        int x = next();
        int k = cnt[x / 100000];
        for (int i = 0; i < (int)bucket[x / 100000].size(); i++) k += bucket[x / 100000][i] < x;
        sm ^= ll(k) * i;
    }
    cout << sm << endl;
    return 0;
}