#include <bits/stdc++.h>
using namespace std;

#ifdef DEBUG
ifstream in_file("C:\\verseny\\minta\\be1.txt");
#define input in_file
#define INTHENAMEOFGOD
#else
#define input cin
#define INTHENAMEOFGOD \
    ios::sync_with_stdio(0); \
    cin.tie(0); \
    cout.tie(0);
#endif
typedef long long ll;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<bool> vb;
typedef pair<ll, ll> pii;

ll N, M, a, b, ans;
array<ll, 64> an, am;

int main() {
    INTHENAMEOFGOD
    input >> N >> M;
    for (ll n = 0; n < N; n++) {
        input >> a;
        size_t ind = 0;
        while (a > 0) {
            an[ind] += a % 2;
            a >>= 1;
            ind++;
        }
    }
    for (ll m = 0; m < M; m++) {
        input >> b;
        size_t ind = 0;
        while (b > 0) {
            am[ind] += b % 2;
            b >>= 1;
            ind++;
        }
    }
    ll of = 0;
    bitset<64> ans(0);
    for (ll i = 0; i < 64; i++) {
        ans[i] = (an[i]*(M - am[i]) + (N - an[i])*am[i] + of) % 2;
        of = an[i]*am[i];
    }
    cout << ans.to_ullong() << endl;
}