import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

n = ni()
m = 28
a = na()
ans = 0
for j in range(m):
    f = -1
    r = 0
    for i in range(n):
        if a[i] >> j & 1:
            r += (n-i) * (i - f)
            f = i
    ans += r <<j

print(ans)