## https://yukicoder.me/problems/no/2300


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

    answer = 0
    for k in range(28):

        a_array = []
        for a in A:
            l = 1 if a & (1 << k) > 0 else 0
            a_array.append(l)
        
        a_str = "".join(map(str, a_array))
        l_array = a_str.split("1")
        y = 0
        for l in l_array:
            l_len = len(l)
            x = (l_len * (l_len + 1)) // 2
            y += x
        
        n2 = (N * (N + 1)) // 2

        n1 = n2 - y
        answer += n1 * (1 << k)
    print(answer)




if __name__ == '__main__':
    main()