N = int(input())

A = list(map(int,input().split()))

ans = 0
for i in range(28):
    tmp = 0
    j = 0
    while j < N:
        if A[j] >> i & 1 == 0:
            count = 1
            j += 1
            while j < N  and A[j] >> i & 1 == 0:
                j += 1
                count += 1
            tmp += count * (count + 1) // 2
        else:
            j += 1
    ans += (N * (N + 1) // 2 - tmp) * (1 << i)
print(ans)