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

ans = 0
for l in range(N):
    for r in range(l, N):
        for k in range(l, r+1):
            if k==l:
                num = A[l]
            else:
                num |= A[k]
        ans += num
        #print(l, r, A[l]|A[r])
print(ans)