import sys
input = sys.stdin.readline

N=int(input())
A=list(map(int,input().split()))

ALL=N*(N+1)//2

ANS=0

for i in range(30):
    score=0
    now=0

    for a in A:
        if a & (1<<i) == 0:
            now+=1
        else:
            score+=now*(now+1)//2
            now=0

    score+=now*(now+1)//2
    ANS+=(ALL-score)*(1<<i)

print(ANS)