#include <bits/stdc++.h>
#include <vector>

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

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

signed 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();

  sort(a.begin(), a.end());
  const Int BS = 1000;
  const Int MAX = 1e10;
  vector<Int> s(MAX/BS+1,0);
  vector<vector<Int> > v(MAX/BS+1);
  for(Int i=0;i<n;i++){
    s[a[i]/BS]++;
    v[a[i]/BS].emplace_back(a[i]);
  }
  for(Int i=0;i<MAX/BS;i++) s[i+1]+=s[i];
    
  ll sm = 0;
  for (Int i = 0; i < q; i++) {
    Int x = next();
    Int cnt = 0;
    if(x/BS) cnt+=s[x/BS-1];
    for(Int y:v[x/BS]) cnt+=y<x;
    sm ^= ll(cnt) * i;
  }
  cout << sm << endl;
  return 0;
}