import itertools
N = int(input())
A = list(map(int,input().split()))
ans = (2**28-1)*(N)*(N+1)//2
for i in range(28):
    temp = 0
    B = []
    for a in A:
        B.append(a&2**i>0)
    GB = itertools.groupby(B)
    for k,l in GB:
        if k==0:
            le = len(list(l))
            ans-=2**i*(le)*(le+1)//2
print(ans)