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#pragma GCC optimize ("Ofast")
#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
#define FOR(i, a, b) for (auto i=(a); i<(b); i++)
#define FORD(i, a, b) for (int i=(a); i>(b); i--)
#define SZ(x) ((int)(x).size())
#define ALL(x) (x).begin(), (x).end()
#define PPC(x) __builtin_popcountll(x)
#define MSB(x) (63 - __builtin_clzll(x))
#define LSB(x) __builtin_ctzll(x)
#define ARG(x, i) (get<i>(x))
#define ithBit(m, i) ((m) >> (i) & 1)
#define pb push_back
#define ft first
#define sd second
#define kw(a) ((a) * (a))
#define CLR(x) x.clear(), x.shrink_to_fit()
#ifdef DEBUG
#include "debug.h"
#else
#define dbg(...) 0
#endif
using namespace std;
 
template <typename T1, typename T2> inline void remin(T1& a, T2 b) { a = min(a, (T1)b);	}
template <typename T1, typename T2> inline void remax(T1& a, T2 b) { a = max(a, (T1)b);	}
 
const int maxN = 1 << 19, maxQ = 1 << 20, HEAP_SZ = maxN + maxQ;

list <int> HEAP[HEAP_SZ];

list <int> :: iterator iter[maxN];
list <int>* L[maxN];
char state[maxN];

list <int>* newList()
{
	static int n = 0;
	return HEAP + n++;
}

bool isSingleton(auto l)
{
	return SZ(*l) == 1;
}

void isolate(int v, char newState)
{
	state[v] = newState;
	auto oldL = L[v];

	if (isSingleton(oldL))
		return;

	L[v] = newList();
	L[v]->splice(L[v]->end(), *oldL, iter[v]);

	if (isSingleton(oldL))
		state[oldL->back()] = newState;
}

void destroy(auto l)
{
	if (isSingleton(l))
		state[l->back()] = '1';

	while (!isSingleton(l))
		isolate(l->back(), '1');
}

void mrg(auto A, auto B)
{
	if (A->size() < B->size())
		swap(A, B);

	for (int v : *B)
		L[v] = A;
	
	A->splice(A->end(), *B);
}

void onion(int a, int b)
{
	auto A = L[a];
	auto B = L[b];

	if (A == B)
		destroy(A);
	else
		mrg(A, B);
}

void init(int n)
{
	FOR(i, 1, n+1)
	{
		L[i] = newList();
		iter[i] = L[i]->insert(L[i]->end(), i);
		state[i] = '0';
	}
}

void solve()
{
	int n, q;
	scanf ("%d%d", &n, &q);
	init(n);
	while (q--)
	{
		char event[10];
		int a, b;
		scanf ("%s%d", event, &a);

		if (event[0] == '?')
			printf("%c", state[a]);

		if (event[0] == '-')
			isolate(a, '0');
		
		if (event[0] == '+')
		{
			scanf ("%d", &b);

			if (state[b] == '1')
				swap(a, b);

			if (state[a] == '1')
			{
				destroy(L[b]);
			}
			else
			{
				state[a] = state[b] = '?';
				onion(a, b);
			}
		}
	}
	printf("\n");
}

int main()
{
	int t = 1;
//	scanf ("%d", &t);	
	FOR(tid, 1, t+1)
	{
		//printf("Case #%d: ", tid);
		solve();
	}
	return 0;
}