N = int(input())
A = list(map(int, input().split()))
ans = 0
for i in range(30):
    kaz = N*(N+1)//2
    zero = 0
    for j in range(N):
        if ((A[j] >> i) & 1) == 0:
            zero += 1
        else:
            kaz -= zero*(zero+1)//2
            zero = 0
    kaz -= zero*(zero+1)//2
    ans += kaz*2**i
print(ans)