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

    ans=0
    for i in range(N-1):
        for j in range(i+1,N):
            ans += int(bin(A[i]^A[j]), 2)

    print(ans%(10**9 + 7))

if __name__ == '__main__':
    main()
