mod=998244353
def fake1(A):
    a=A[:]
    n=len(a)
    a.sort()
    ans=1
    for j in range(32,-1,-1):
        cnt=[0,0]
        for i in range(n):cnt[(a[i]>>j)&1]+=1
        if min(cnt)>=1:ans*=2
    return ans%mod


n=int(input())
a=list(map(int,input().split()))
print(fake1(a))