#include <iostream>
#include <vector>

using namespace std;

#define MOD 998244353

int main() {
    int n;
    cin >> n;
    vector<long long> a(n);
    for (long long &l : a) {
        cin >> l;
    }

    long long s = 0;
    vector<int> p(32, 0);
    for (int i = 0; i < n; i++) {
        s += i;
        s %= MOD;
        for (int j = 0; j < 32; j++) {
            if (((i >> j) & 1) == 1) {
                p[j]++;
            }
        }
    }

    long long ans = 0;
    for (int i = 0; i < n; i++) {
        long long b = s;
        for (int j = 0; j < 32; j++) {
            if (((i >> j) & 1) == 0) {
                continue;
            }

            int q = n - p[j];
            long long l = (1 << j);
            l = l * q - l * p[j];
            // cout << i << " " << j << ": " << l << endl;
            l %= MOD;
            b += l;
            b %= MOD;
        }

        ans += b * a[i];
        ans %= MOD;
    }

    cout << (ans + MOD) % MOD << endl;
}