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#include <bits/stdc++.h>
#define dbg(x) " [" << #x << ": " << (x) << "] "
using namespace std;
using ll = long long;
template<typename A, typename B>
ostream& operator<<(ostream& out, const pair<A,B>& p) {
    return out << "(" << p.first << ", " << p.second << ")";
}
template<typename T>
ostream& operator<<(ostream& out, const vector<T>& c) {
    out << "{";
    for(auto it = c.begin(); it != c.end(); it++) {
        if(it != c.begin()) out << ", ";
        out << *it;
    }
    return out << "}";
}

const int N = 3e5 + 10;

unordered_set<int> st[N];
int info_id[N];
bool black[N];

void make_black(int a) {
    for(int x : st[a]) {
        black[x] = true;
    }
    st[a].clear();
}

void un(int a, int b) {
    if(st[a].size() < st[b].size()) swap(a, b);
    for(int x : st[b]) {
        info_id[x] = info_id[a];
        st[a].insert(x);
    }
    st[b].clear();
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    int n, q;
    cin >> n >> q;

    vector<int> info(n);
    info.reserve(n + q);

    for(int i = 1; i <= n; i++) {
        info_id[i] = i - 1;
        info[i - 1] = i;
        st[i].insert(i);
    }

    while(q--) {
        char op;
        int a, b;
        cin >> op;
        if(op == '?') {
            cin >> a;
            if(black[a]) {
                cout << 1;
            } else if(st[info[info_id[a]]].size() == 1) {
                cout << 0;
            } else {
                cout << '?';
            }
        } else if(op == '-') {
            cin >> a;
            if(black[a]) {
                black[a] = false;
            } else {
                int p = info[info_id[a]];
                st[p].erase(a);
                if(p == a && st[p].size()) {
                    int nw_p = *st[p].begin();
                    info[info_id[a]] = nw_p;
                    st[p].swap(st[nw_p]);
                }
            }
            info_id[a] = info.size();
            info.push_back(a);
            st[a].insert(a);
        } else {
            cin >> a >> b;
            if(black[a]) {
                b = info[info_id[b]];
                make_black(b);
            } else if(black[b]) {
                a = info[info_id[a]];
                make_black(a);
            } else {
                a = info[info_id[a]];
                b = info[info_id[b]];
                if(a == b) make_black(a);
                else un(a, b);
            }
        }
    }
    cout << endl;

    return 0;
}