#include<iostream>
#include<cstdio>
#include<algorithm>
#include<vector>
#include<list>
using namespace std;
vector<int> s;
int main() {
int n, m, tmp;
scanf("%d",&n);
for(int i=0; i<n; i++) {
scanf("%d",&tmp);
s.push_back(tmp);
}
scanf("%d",&m);
for(int i=0; i<m; i++) {
scanf("%d",&tmp);
s.push_back(tmp);
}
sort(s.begin(), s.end());
cout <<s[(m+n-1)/2] << endl;
return 0;
}