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#include<bits/stdc++.h>
using namespace std;
using LL=long long;
#define FOR(i,l,r)for(int i=(l);i<=(r);++i)
#define REP(i,n)FOR(i,0,(n)-1)
#define ssize(x)int(x.size())
#ifdef DEBUG
auto&operator<<(auto&o,pair<auto,auto>p){return o<<"("<<p.first<<", "<<p.second<<")";}
auto operator<<(auto&o,auto x)->decltype(x.end(),o){o<<"{";int i=0;for(auto e:x)o<<","+!i++<<e;return o<<"}";}
#define debug(X...)cerr<<"["#X"]: ",[](auto...$){((cerr<<$<<"; "),...)<<endl;}(X)
#else
#define debug(...){}
#endif

const int INF = 1e9;

void get(int &a) {
	a = 0;
	int g = getchar_unlocked();
	while (g < '0' || '9' < g)
		g = getchar_unlocked();
	while ('0' <= g && g <= '9') {
		a = (a << 3) + (a << 1) + g - '0';
		g = getchar_unlocked();
	}
}

void get_type(char &c) {
	c = getchar_unlocked();
	while (c != '+' && c != '-' && c != '?')
		c = getchar_unlocked();
}

int main() {
	int n, q;
	get(n);
	get(q);
	vector<int> current_id(n);
	iota(current_id.begin(), current_id.end(), 0);
	vector<vector<int>> graph(n + q);
	vector<int> state(n + q, 0);
	vector<int> rep(n + q), roz(n + q, 1), deg(n + q), cycle_vis(n + q);
	iota(rep.begin(), rep.end(), 0);

	function<int(int)> fin = [&](int v) {
		if (v != rep[v])
			rep[v] = fin(rep[v]);
		return rep[v];
	};

	auto uni = [&](int u, int v) {
		u = fin(u);
		v = fin(v);
		assert(u != v);
		if (roz[u] < roz[v])
			swap(u, v);
		roz[u] += roz[v];
		rep[v] = u;
	};

	int licz = n;
	REP (i, q) {
		char c;
		get_type(c);
		if (c == '?') {
			int v;
			get(v);
			--v;
			v = current_id[v];
			if (state[v] == -1)
				putchar_unlocked('?');
			else if (state[v] == 0)
				putchar_unlocked('0');
			else
				putchar_unlocked('1');
		}
		else if (c == '+') {
			int u, v;
			get(u);
			get(v);
			--u;
			--v;
			u = current_id[u];
			v = current_id[v];
			graph[u].emplace_back(v);
			graph[v].emplace_back(u);
			if (state[u] == 0)
				state[u] = -1;
			if (state[v] == 0)
				state[v] = -1;
			function<void(int)> dfs = [&](int x) {
				state[x] = 1;
				cycle_vis[x] = 1;
				for (int o : graph[x])
					if (!cycle_vis[o])
						dfs(o);
			};
			if (fin(u) == fin(v) || cycle_vis[u] || cycle_vis[v]) {
				if (!cycle_vis[u])
					dfs(u);
				if (!cycle_vis[v])
					dfs(v);
			}
			else {
				++deg[u];
				++deg[v];
				uni(u, v);
			}
		}
		else {
			int v;
			get(v);
			--v;
			int old_id = current_id[v];
			current_id[v] = licz++;
			v = old_id;
			if (cycle_vis[v])
				continue;
			state[v] = 1;
			if (deg[v] == 1) {
				function<void(int)> dfs = [&](int x) {
					deg[x] = -INF;
					for (int o : graph[x]) {
						if (deg[o] > 0) {
							--deg[x];
							--deg[o];
							if (!deg[o])
								state[o] = 0;
							else if (deg[o] == 1 && state[o] == 1)
								dfs(o);
						}
					}
				};
				dfs(v);
			}
		}
	}
	putchar_unlocked('\n');
}