/// Fuck Them, Fuck Me, and Fuck You
#pragma GCC optimize("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("avx,avx2,fma")
#include "bits/stdc++.h"
using namespace std;

using ll = long long;
using ii = pair<int, int>;

#define pb push_back
#define F first
#define S second
#define f(i,a,b)  for(int i = a; i < b; i++)
#define all(a)  a.begin(),a.end()
#define rall(a) a.rbegin(),a.rend()

const int N = 3e5 + 5, LG = 19, MOD = 1e9 + 7;
ll ans[1000006];
ll ans2[1000006];
int main(){
#ifdef ONLINE_JUDGE
    ios_base::sync_with_stdio(0);
    cin.tie(0);
#endif // ONLINE_JUDGE


    int n;
    cin >> n;
    ll sum[2] = {0,0};
    f(i,0,2)
        f(j,0,n) {
            int x;
            cin >> x;
            sum[i] += x;
        }
    cout << sum[0] - sum[1] << '\n';

    return 0;
}