#include <bits/stdc++.h>
using namespace std;

template<typename T1, typename T2>
void upmax(T1 &x, T2 v) {
  if (x < v) x = v;
}

signed main() {
  ios::sync_with_stdio(false);
  int N, M, K;
  cin >> N >> M >> K;
  vector<int> A(N + 1);
  for (int i = 0; i < N + 1; ++i) cin >> A[i];
  vector<vector<int64_t>> d(N + 1, vector<int64_t>(M + 1));
  d[0][0] = K;
  for (int i = 1; i <= N; ++i) {
    for (int j = 0; j <= M; ++j) {
      upmax(d[i][j], d[i - 1][j]);
      if (j) {
        for (int k = 0; k < i; ++k) {
          upmax(d[i][j], d[k][j - 1] % A[k] + d[k][j - 1] / A[k] * A[i]);
        }
      }
    }
  }
  cout << *max_element(d[N].begin(), d[N].end()) << endl;
  return 0;
}