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#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <stdio.h>
#include <string.h>
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <cassert>
using namespace std;
void __print(int x) {cerr << x;}
void __print(long x) {cerr << x;}
void __print(long long x) {cerr << x;}
void __print(unsigned x) {cerr << x;}
void __print(unsigned long x) {cerr << x;}
void __print(unsigned long long x) {cerr << x;}
void __print(float x) {cerr << x;}
void __print(double x) {cerr << x;}
void __print(long double x) {cerr << x;}
void __print(char x) {cerr << '\'' << x << '\'';}
void __print(const char *x) {cerr << '\"' << x << '\"';}
void __print(const string &x) {cerr << '\"' << x << '\"';}
void __print(bool x) {cerr << (x ? "true" : "false");}
template<typename T, typename V>
void __print(const pair<T, V> &x) {cerr << '{'; __print(x.first); cerr << ','; __print(x.second); cerr << '}';}
template<typename T>
void __print(const T &x) {int f = 0; cerr << '{'; for (auto &i: x) cerr << (f++ ? "," : ""), __print(i); cerr << "}";}
void _print() {cerr << "]\n";}
template <typename T, typename... V>
void _print(T t, V... v) {__print(t); if (sizeof...(v)) cerr << ", "; _print(v...);}
#ifndef ONLINE_JUDGE
#define debug(x...) cerr << "[" << #x << "] = ["; _print(x)
#else
#define debug(x...)
#endif

#define fi first
#define se second
#define all(x) x.begin(), x.end()
#define pb push_back
#define BOOST ios_base::sync_with_stdio(false),cin.tie(NULL),cout.tie(NULL);
typedef long long ll;
typedef long double ld;
typedef pair<int,int> ii;
typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<ii> vii;
typedef vector<ll> vll;
int global_cnt;
// real_idx: code -> real 
// cd_idx: real -> code
vi p, ans, si, cd_idx, real_idx;
int find(int u) {
    return (u == p[u] ? u : p[u] = find(p[u]));
}
void join(int u, int v) {
    int a = find(u), b = find(v);
    if(a == b) return;
    if(si[a] < si[b]) swap(a,b);
    si[a] += si[b];
    p[b] = p[a];
    ans[a] = max(ans[a], ans[b]);
}
void erase(int u) {
    int real = real_idx[u];
    cd_idx[real] = global_cnt++;
    si[find(u)]--;
    real_idx.pb(real), si.pb(1), ans.pb(0), p.pb(cd_idx[real]);
}
void test_case() {
    int n, q;
    cin >> n >> q;
    global_cnt = n + 1;
    ans.assign(n + 1, 0), si.assign(n + 1, 1);
    p.resize(n + 1), cd_idx.resize(n + 1), real_idx.resize(n + 1);
    iota(all(p), 0), iota(all(cd_idx), 0), iota(all(real_idx), 0);
    string s = "";
    for(int rep = 0; rep < q; rep++) {
        char c;
        cin >> c;
        if(c == '?') {
            int u;
            cin >> u;
            u = cd_idx[u];
            if(ans[find(u)] == 0 && si[find(u)] == 1) {
                s += '0';
            } else if(ans[find(u)] == 0 && si[find(u)] > 1) {
                s += '?';
            } else if(ans[find(u)] == 1) {
                s += '1';
            }
        } else if(c == '+') {
            int u, v;
            cin >> u >> v;
            u = cd_idx[u], v = cd_idx[v];
            if(find(u) == find(v)) {
                ans[find(u)] = 1;
            } else {
                join(u, v);
            }
        } else {
            int u;
            cin >> u;
            u = cd_idx[u];
            erase(u);
        }
    }
    cout << s << "\n";
} 
int32_t main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
 
    int tc = 1;
    // cin >> tc;
    while(tc--) {
        test_case();
    }
    return 0;
}