#include <bits/stdc++.h>
using namespace std;
int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    int n, m, k;
    cin >> n >> m >> k;
    int ay = 0, br = 0;
    for (int i = 1, x; i <= n; ++i) {
        cin >> x;
        ay += (x == 0);
    }
    for (int i = 1, x; i <= m; ++i) {
        cin >> x;
        br += (x == 1);
    }
    for (int i = 1, x; i <= k; ++i) {
        cin >> x;
    }
    cout << abs(ay - br) << endl;
    return 0;
}