#include <bits/stdc++.h>
#include <ext/rope>

using namespace std;
using namespace __gnu_cxx;

random_device rd;
mt19937 rnd(rd());
#define pt pair<int, int>
#define x first
#define y second
#define what_is(x) cerr << #x << " is " << x << endl;
#define ok cerr << "ok" << endl;
#define endl '\n'
#define int long long
#define ld long double

const int N = 1e5 + 5;

int a[2][N];

signed main()
{
	cin.tie(0), cout.tie(0), ios::sync_with_stdio(0);

	int n, q, cnt = 0;
	cin >> n >> q;
	while (q--)
	{
		int x, y;
		cin >> x >> y;
		--x, --y;
		if (a[x][y])
		{
			if (a[(x + 1) % 2][y]) --cnt;
			if (y > 0 && a[(x + 1) % 2][y - 1]) --cnt;
			if (y + 1 < n && a[(x + 1) % 2][y + 1]) --cnt;
			a[x][y] = 0;
		}
		else
		{
			if (a[(x + 1) % 2][y]) ++cnt;
			if (y > 0 && a[(x + 1) % 2][y - 1]) ++cnt;
			if (y + 1 < n && a[(x + 1) % 2][y + 1]) ++cnt;
			a[x][y] = 1;
		}

		if (cnt)
			cout << "No" << endl;
		else
			cout << "Yes" << endl;
	}

	return 0;
}