#include <stdio.h>
#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<(n);i++)
#define Inf 1000000001

int main(){
	
	int last = 0;
	
	
	int N;
	scanf("%d",&N);
	multiset<int> S;
	S.insert(0);
	rep(i,N){
		int A;
		scanf("%d",&A);
		A ^= last;
		rep(j,2)S.insert(A+1);
		
		auto it = S.end();
		it--;
		S.erase(it);
		it = S.end();
		it--;
		int ok = *it;
		ok--;
		printf("%d\n",ok);
		last = ok;
	}
	
	
	return 0;
}