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

ans = 0
for s in range(35):
    ans += (1 << s) * N * (N + 1)//2
    zero = 0
    for i in range(N):
        if (A[i] >> s) & 1 == 0:
            zero += 1
        else:
            ans -= zero * (zero + 1)//2 * (1 << s)
            zero = 0
    ans -= zero * (zero + 1)//2 * (1 << s)

print(ans)