# include <iostream>
# include <algorithm>
# include <vector>
# include <string>
# include <set>
# include <map>
# include <cmath>
# include <iomanip>
# include <functional>
# include <utility>
# include <stack>
# include <queue>
# include <list>
# include <tuple>
# include <unordered_map>
# include <numeric>
# include <complex>
# include <bitset>
# include <random>
# include <chrono>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
typedef pair<LL, LL> P;
constexpr int INF = 2000000000;
constexpr int HINF = INF / 2;
constexpr double DINF = 100000000000000000.0;
constexpr long long LINF = 9223372036854775807;
constexpr long long HLINF = 4500000000000000000;
const double PI = acos(-1);
int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 };
# define ALL(x)      (x).begin(),(x).end()
# define UNIQ(c)     (c).erase(unique(ALL((c))),(c).end())
# define mp          make_pair
# define eb          emplace_back
# define FOR(i,a,b)  for(int i=(a);i<(b);i++)
# define RFOR(i,a,b) for(int i=(a);i>=(b);i--)
# define REP(i,n)    FOR(i,0,n)
# define INIT        std::ios::sync_with_stdio(false);std::cin.tie(0)

LL n, q;
LL a[202020];
LL sum[20202020];
vector<int> v[20202020];
ULL seed;
ULL next() {
	seed = seed ^ (seed << 13);
	seed = seed ^ (seed >> 7);
	seed = seed ^ (seed << 17);
	return (seed >> 33);
}

int main() {
	cin >> n >> q >> seed;
	REP(i, 10000)next();
	REP(i, n) {
		a[i] = next();
		sum[a[i] / 200]++;
		v[a[i] / 200].emplace_back(a[i]);
	}
	REP(i, INF / 200 + 1) {
		sum[i + 1] += sum[i];
	}
	LL ans = 0;
	REP(i, q) {
		int x = next();
		int cnt = sum[x / 200];
		REP(j, v[x / 200].size()) {
			if (v[x / 200][j] < x)cnt++;
		}
		ans ^= (LL)cnt*i;
	}
	cout << ans << endl;

}