import sys
from collections import deque, Counter
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
inf = 2 ** 63 - 1
mod = 998244353
import random
n = ii()
a = li()
ans = (-1 + (1 << 30)) * (n * (n + 1) // 2)
for bit in range(30):
    b = []
    for v in a:
        if 1 & (v >> bit):
            b.append(1)
        else:
            b.append(0)
    cnt = 0
    b.append(1)
    for v in b:
        if v != 0:
            ans -= (1 << bit) * cnt * (cnt + 1) // 2
            cnt = 0
        else:
            cnt += 1
print(ans)