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#include <bits/stdc++.h>

using namespace std;
int n,q,a,b;
char c;
vector <char> stan;
vector <int> p;
vector <int> r;
vector <int> k;
vector <int> rt;
vector <int> t;
vector <int> v[2500005];
queue <int> frid;
int nev(int x)
{
    if(frid.empty())
    {
        p.push_back(-1);
        r.push_back(0);
        k.push_back(0);
        rt.push_back(x);
        return p.size()-1;
    }
    else
    {
        int y=frid.front();
        frid.pop();
        rt[y]=x;
        return y;
    }
}
void fri(int x)
{
    if(t[rt[x]]!=x)frid.push(x);
    p[x]=-1;
    r[x]=0;
    k[x]=0;
    if(t[rt[x]]==x&&stan[rt[x]]=='?')stan[rt[x]]='1';
    for(int i=0;i<(int)v[x].size();i++)
    {
        int neo=v[x][i];
        if(p[neo]!=-1)fri(neo);
    }
    v[x].clear();
    return;
}
int fin(int x)
{
    if(p[x]==-1)return x;
    p[x]=fin(p[x]);
    return p[x];
}
void uni(int x,int y)
{
    x=fin(x);
    y=fin(y);
    if(x==y)
    {
        fri(x);
    }
    else
    {
        v[x].push_back(y);
        v[y].push_back(x);
        if(r[x]>=r[y])
        {
            p[y]=x;
            k[x]+=k[y]+1;
            if(r[x]==r[y])r[x]++;
        }
        else if(r[x]<r[y])
        {
            p[x]=y;
            k[y]+=k[x]+1;
        }
    }
    return;
}
int main()
{
    std::ios_base::sync_with_stdio(0);
    cin>>n>>q;
    t.resize(n+3,0);
    stan.resize(n+3,'0');
    for(int i=1;i<=n;i++)t[i]=nev(i);
    for(int i=0;i<q;i++)
    {
        cin>>c;
        if(c=='+')
        {
            cin>>a>>b;
            stan[a]='?';
            stan[b]='?';
            uni(t[a],t[b]);
        }
        else if(c=='-')
        {
            cin>>a;
            stan[a]='0';
            t[a]=nev(a);
        }
        else if(c=='?')
        {
            cin>>a;
            cout<<stan[a];
        }
    }
    return 0;
}