from sys import setrecursionlimit
setrecursionlimit(10 ** 5)
MOD = 998244353

flag = [0] * 32

def slv(a, k):
    if len(a) <= 1 or k < 0:
        pass
    else:
        if ((a[0] >> k) & 1) or ((a[-1] >> k) & 1 == 0):
            slv(a, k - 1)
        else:
            flag[k] = 1
            for i in range(1, len(a)):
                if (a[i] >> k) & 1:
                    slv(a[:i], k - 1)
                    slv(a[i:], k - 1)

N = int(input())
a = list(map(int, input().split()))
a.sort()
slv(a, 32)
print(pow(2, sum(flag), MOD))