#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) begin(v),end(v)
#define fi first
#define se second
template<typename A, typename B> inline bool chmax(A &a, B b) { if (a<b) { a=b; return 1; } return 0; }
template<typename A, typename B> inline bool chmin(A &a, B b) { if (a>b) { a=b; return 1; } return 0; }
using ll = long long;
using pii = pair<int, int>;
constexpr ll INF = 1ll<<30;
constexpr ll longINF = 1ll<<60;
constexpr ll MOD = 1000000007;
constexpr bool debug = 0;
//---------------------------------//

int N;
ll A[112345], cnt[112345];
int f[112345];

int main() {
	cin >> N;
	REP(i, N) {
		scanf("%lld", A + i);
		++cnt[A[i]];
	}
	
	ll maxa = *max_element(A, A + N);
	
	vector<ll> v(N);
	REP(i, N) v[i] = A[i];
	
	vector<ll> elem;
	for (int k = 25; k >= 0; k--) {
		sort(ALL(v), greater<ll>());
		
		ll mx = v[0];
		if (mx >> k & 1 ^ 1) continue;
		elem.push_back(mx);
		REP(i, v.size()) if (v[i] >> k & 1) v[i] = v[i] ^ mx;
	}
	
	REP(s, 1 << elem.size()) {
		int cur = 0;
		REP(i, elem.size()) if (s >> i & 1) cur ^= elem[i];
		if (cur <= maxa) f[cur] = true;
	}
	
	ll ansd = 0;
	FOR(i, 1, maxa + 1) if (f[i]) {
		ll cur = 0;
		for (int j = i; j <= maxa; j += i) {
			cur += (j - j / i) * cnt[j];
		}
		chmax(ansd, cur);
	}
	
	ll ans = accumulate(A, A + N, 0ll);
	ans -= ansd;
	
	cout << ans << endl;
	
	return 0;
}