#include //#include using namespace std; //using namespace atcoder; //using mint = modint1000000007; //const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; //const int INF = 1e9; //const long long LINF = 1e18; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n-1); i >= 0; --i) #define rrep2(i,l,r)for(int i=(r-1);i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define endl "\n" #define P pair template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; vectora(n); rep(i, n)cin >> a[i]; long long ans = ((long long)n + 1)*n / 2 * ((1ll << 28) - 1); rep(i, 28) { for (int j = 0; j < n;) { if (1 & (a[j] >> i)) { j++; continue; } int k = j + 1; while ((k < n) && !(1 & (a[k] >> i))) { k++; } long long sz = k - j; ans -= sz * (sz + 1) / 2 * (1ll << i); j = k; } } cout << ans << endl; return 0; }