n=int(input())
a=list(map(int,input().split()))

def solve(a):
	l=[0]
	for v in a:
		if v:
			l[-1]+=1
		else:
			l+=[0]
	c=0
	for v in l:
		c+=(v+1)*v//2
	return (n+1)*n//2-c

g=0
for i in range(30):
	g+=solve([(v>>i)&1 for v in a])*(1<<i)

print(g)