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

def nC2(n):
    return n*(n-1)//2
def nC3(n):
    return n*(n-1)*(n-2)//6

def func(IDX):
    return nC2(N+1)-sum(nC2(IDX[i+1]-IDX[i]) for i in range(len(IDX)-1))

ans = 0
for i in range(28):
    IDX = [-1]
    for j in range(N):
        if 1<<i & A[j]:
            IDX.append(j)
    IDX.append(N)
    ans += func(IDX)*(1<<i)

print(ans)