#include <iostream>
#include <iomanip>
#include <cstring>
#include <cmath>
#include <map>
#include <list>
#include <vector>
using namespace std;

long long T, n, m, a[200050], b[200050];

int main(){
    cin >> T;
    while(T --) {
        cin >> n >> m;
        long long ans0 = 0, ans1 = 0;
        for(int i = 1; i <= n; ++ i) {
            cin >> a[i];
            ans0 ^= a[i];
            ans1 ^= a[i];
        }
        long long bb = 0;
        for(int i = 1; i <= m; ++ i) {
            cin >> b[i]; 
            bb |= b[i];
        }
        if(n & 1) {
            cout << ans0 << " " << (ans1 | bb) << endl;
        } else {
            cout << (ans0 & (~bb)) << " " << ans1 << endl;
        }
    }
}