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#include <bits/stdc++.h>
using namespace std;

#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second

typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef long double db;

const int N = 300474;

int p[N], ind[N];
char ans[N];
VI vec[N];

int main()
{
	ios::sync_with_stdio(0);
	cin.tie(0);
    int n, q;
    cin >> n >> q;
    FOR(i, 0, n)
    {
        p[i] = -1;
        ans[i] = '0';
    }
    while (q--)
    {
        char t;
        cin >> t;
        if (t == '?')
        {
            int u;
            cin >> u;
            u--;
            cout << ans[u];
        }
        else if (t == '+')
        {
            int u, v;
            cin >> u >> v;
            u--;
            v--;
            assert(ans[u] != '1' || ans[v] != '1');
            if ((ans[u] == '?' && ans[v] == '0')
                || (ans[u] == '1' && ans[v] == '0')
                || (ans[u] == '1' && ans[v] == '?'))
                swap(u, v);
            if (ans[u] == '0' && ans[v] == '0')
            {
                if (u == v)
                {
                    ans[u] = '1';
                }
                else
                {
                    vec[u] = {u, v};
                    p[u] = u;
                    ind[u] = 0;
                    p[v] = u;
                    ind[v] = 1;
                    ans[u] = '?';
                    ans[v] = '?';
                }
            }
            else if (ans[u] == '0' && ans[v] == '?')
            {
                p[u] = p[v];
                ind[u] = SZ(vec[p[u]]);
                vec[p[u]].PB(u);
                ans[u] = '?';
            }
            else if (ans[u] == '0' && ans[v] == '1')
            {
                ans[u] = '1';
            }
            else
            {
                assert(ans[u] == '?');
                int pu = p[u], pv = p[v];
                if (ans[v] == '1' || pu == pv)
                {
                    for (int w : vec[pu])
                    {
                        p[w] = -1;
                        ans[w] = '1';
                    }
                    vec[pu].clear();
                }
                else
                {
                    if (SZ(vec[pu]) > SZ(vec[pv]))
                    {
                        swap(u, v);
                        swap(pu, pv);
                    }
                    vec[pv].reserve(SZ(vec[pv]) + SZ(vec[pu]));
                    for (int w : vec[pu])
                    {
                        p[w] = pv;
                        ind[w] = SZ(vec[pv]);
                        vec[pv].PB(w);
                    }
                    vec[pu].clear();
                }
            }
        }
        else
        {
            assert(t == '-');
            int u;
            cin >> u;
            u--;
            if (ans[u] == '?')
            {
                int pu = p[u], w = vec[pu].back();
                swap(vec[pu][ind[u]], vec[pu][ind[w]]);
                swap(ind[u], ind[w]);
                assert(ind[u] == SZ(vec[pu]) - 1);
                p[u] = -1;
                vec[pu].pop_back();
            }
            else
            {
                assert(ans[u] == '1');
            }
            ans[u] = '0';
        }
    }
    cout << "\n";
	return 0;
}