#include<bits/stdc++.h>
using namespace std;
#define rep(i,n) for(ll i=0;i<n;i++)
#define repl(i,l,r) for(ll i=(l);i<(r);i++)
#define per(i,n) for(ll i=(n)-1;i>=0;i--)
#define perl(i,r,l) for(ll i=r-1;i>=l;i--)
#define fi first
#define se second
#define pb push_back
#define ins insert
#define pqueue(x) priority_queue<x,vector<x>,greater<x>>
#define all(x) (x).begin(),(x).end()
#define CST(x) cout<<fixed<<setprecision(x)
#define vtpl(x,y,z) vector<tuple<x,y,z>>
#define rev(x) reverse(x);
using ll=long long;
using vl=vector<ll>;
using vvl=vector<vector<ll>>;
using pl=pair<ll,ll>;
using vpl=vector<pl>;
using vvpl=vector<vpl>;
const ll MOD=1000000007;
const ll MOD9=998244353;
const int inf=1e9+10;
const ll INF=4e17;
const ll dy[9]={0,1,-1,0,1,1,-1,-1,0};
const ll dx[9]={1,0,0,-1,1,-1,1,-1,0};
template<class T> inline bool chmin(T& a, T b) {
    if (a > b) {
        a = b;
        return true;
    }
    return false;
}
template<class T> inline bool chmax(T& a, T b) {
    if (a < b) {
        a = b;
        return true;
    }
    return false;
}

using ull = unsigned long long;
ull seed;
int next() {
    seed = seed ^ (seed << 13);
    seed = seed ^ (seed >> 7);
    seed = seed ^ (seed << 17);
    return (seed >> 33);
}
vvl bucket(1<<20);
vl cumsum(1<<20);
int main(){
    int n, q;
    cin >> n >> q >> seed;
    for (int i = 0; i < 10000; i++) next();
    rep(i,n){
        ll a=next();
        bucket[a>>11].emplace_back(a);
    }
    rep(i,(1<<20)-1){
        cumsum[i+1]+=cumsum[i]+bucket[i].size();
    }
    rep(i,1<<20)sort(all(bucket[i]));
    ll ans=0;
    rep(i,q){
        ll a=next();
        ll cnt=cumsum[a>>11];
        for(auto p:bucket[a>>11]){
            if(p<a)cnt++;
            else break;
        }
        ans^=i*cnt;
    }
    cout << ans << endl;
}