#include <bits/stdc++.h>
#define endl '\n'
using namespace std;
const int N = 1e6 + 5;
int n, m, q;
bool vis[N];
int V, E, F, C;
int fa[N]; int getfa(int x){return x == fa[x] ? x : fa[x] = getfa(fa[x]);}
int getid(int x, int y){
	return x * (m + 2) + y;
}
void calc(){
	V = E = F = C = 0;
	for (int i = 0; i < (n + 2) * (m + 2); i++) fa[i] = i;
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= m; j++){
			if (vis[getid(i, j)]) V++;
			if (vis[getid(i, j)] && vis[getid(i - 1, j)]) E++, fa[getfa(getid(i, j))] = getfa(getid(i - 1, j));
			if (vis[getid(i, j)] && vis[getid(i, j - 1)]) E++, fa[getfa(getid(i, j))] = getfa(getid(i, j - 1));
			if (vis[getid(i, j)] && vis[getid(i - 1, j)] && vis[getid(i, j - 1)] && vis[getid(i - 1, j - 1)]) F++;
		}
	for (int i = 1; i <= n; i++)
		for (int j = 1; j <= m; j++)
			if (vis[getid(i, j)] && getid(i, j) == fa[getid(i, j)])
				C++;
}
int main(){
	ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//	freopen("in.txt", "r", stdin);
//	freopen("out2.txt", "w", stdout);
	cin >> n >> m >> q;
	while (q--){
		int x, y;
		cin >> x >> y;
		if (vis[getid(x, y)]){
			putchar('1');
			continue;
		}
		vis[getid(x, y)] = 1;
		calc();
		if (V - E + F != C){
			putchar('0');
			vis[getid(x, y)] = 0;
		}else putchar('1');
	}
	return 0;
}