#include <iostream>
#include <vector>

using namespace std;

int solve(int N, int M, int K, vector<int> A, vector<int> B);

int main() {
  ios_base::sync_with_stdio(false);
  // If you prefer file IO, uncomment the following two lines.
  //
  // freopen("input.txt", "r", stdin);
  // freopen("output.txt", "w", stdout);

  int N, M, K;
  cin >> N >> M >> K;

  vector<int> A(N);
  vector<int> B(M);
  for (int i = 0; i < N; i++) {
    cin >> A[i];
  }
  for (int i = 0; i < M; i++) {
    cin >> B[i];
  }

  cout << solve(N, M, K, A, B) << endl;

  return 0;
}