#include <bits/stdc++.h>
#define int long long
//#define USE_FREOPEN
//#define MUL_TEST
#define FILENAME "stock"
using namespace std;
int f[405][25], a[405];

void solve() {
	int n, m, k;
	cin >> n >> m >> k;
	n++;
	for (int i = 1; i <= n; i++) cin >> a[i];
	memset(f, -0x3f, sizeof(f));
	f[1][0] = k;
	for (int i = 2; i <= n; i++) {
		for (int j = 0; j <= m; j++) {
			f[i][j] = f[i - 1][j];
		}
		for (int j = 1; j < i; j++) {
			for (int k = 1; k <= m; k++) {
				int out = f[j][k - 1] / a[j] * a[j];
				int in = f[j][k - 1] / a[j] * a[i];
				f[i][k] = max(f[i][k], f[j][k - 1] - out + in);
			}
		}
	}
	int ans = 0;
	for (int i = 0; i <= m; i++) ans = max(ans, f[n][i]);
	cout << ans << '\n';
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr); cout.tie(nullptr);

	#ifdef USE_FREOPEN
		freopen(FILENAME ".in", "r", stdin);
		freopen(FILENAME ".out", "w", stdout);
	#endif
	int _ = 1;
	#ifdef MUL_TEST
		cin >> _;
	#endif
	while (_--)
		solve();
	_^=_;
	return 0^_^0;
}