n = int(input())
a = list(map(int, input().split()))

ans = 0
for d in range(28):
  l = None
  st = []
  for i in range(n):
    if l is None:
      if (a[i] >> d) & 1 == 0:
        l = i
    else:
      if (a[i] >> d) & 1 != 0:
        st.append((l, i - 1))
        l = None

  if not l is None:
    st.append((l, n - 1))

  cnt = n * (n + 1) // 2
  for l, r in st:
    cnt -= (r - l + 1) * (r - l + 2) // 2

  ans += (1 << d) * cnt

print(ans)