#include "bits/stdc++.h"
#define int long long
using namespace std;
using ll = long long;
using P = pair<ll, ll>;
const ll INF = (1LL << 61);
ll mod = 1000000007;



signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int N; cin >> N;
	vector<int>A(N); for (int i = 0; i < N; i++)cin >> A[i];
	int now = 1;
	bool ok = true, ok2 = false;
	for (int i = 0; i < N; i++) {
		if (A[i] == 1) {
			if (!ok) {
				now = 1;
			}
		}
		else if (A[i] == 0) {
			now = 1; ok = false;
		}
		else {
			if (A[i] % 2 == 0)ok2 = true;
			if (!ok) {
				now = 1;
			}
			else {
				if(ok2)now++;
				else {
					if (i == 0 || A[i - 1] == A[i])now++;
					else now += 2;
				}
			}
			
		}
		cout << now << endl;
	}
	return 0;
}