N = int(input())
A = list(map(int, input().split()))
ans = 0
all = N*(N+1)//2
for j in range(28):
    cnt = 0
    ng = 0
    for i in range(N):
        if (A[i]>>j)&1==0:
            cnt+=1
        else:
            ng += cnt*(cnt+1)//2
            cnt=0
    ng += cnt*(cnt+1)//2
    ans += (1<<j)*(all-ng)
print(ans)