#define _USE_MATH_DEFINES
#pragma region include
#include <iostream>
#include <iomanip>
#include <stdio.h>

#include <sstream>
#include <algorithm>
#include <iterator>
#include <cmath>
#include <complex>

#include <string>
#include <cstring>
#include <vector>
#include <bitset>

#include <queue>
#include <set>
#include <map>
#include <stack>
#include <list>

#include <ctime>
////
//#include <random>//
#pragma endregion //#include
/////////

#pragma region typedef
typedef long long LL;
typedef long double LD;
typedef unsigned long long ULL;
#pragma endregion //typedef
////定数
const int INF = (int)1e9;
const LL MOD = (LL)1e9+7;
const LL LINF = (LL)4e18+20;
const LD PI = acos(-1.0);
const double EPS = 1e-9;
/////////
using namespace::std;

ULL seed;
int next(){
	seed = seed ^ (seed << 13);
    seed = seed ^ (seed >> 7);
    seed = seed ^ (seed << 17);
    return (seed >> 33);
}
void solve(){
	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();
	}
	sort(A.begin(),A.end());
	//////////////
	LL ans = 0;
	int x;
	LL index;
	for(LL i=0;i<Q;++i){
		x = next();
		index = lower_bound(A.begin(),A.end(),x)-A.begin();
		ans = ans^(index*i);
	}
	cout << ans << endl;
}

#pragma region main
signed main(void){
	std::cin.tie(0);
	std::ios::sync_with_stdio(false);
	std::cout << std::fixed;//小数を10進数表示
	cout << setprecision(16);//小数点以下の桁数を指定//coutとcerrで別	

	solve();
}
#pragma endregion //main()