#include <fstream>
#include <vector>

using namespace std;

ifstream fin ("hashuri.in");
ofstream fout("hashuri.out");

int n, a, b, i, c[1000003], u, j, k, dim;

vector<int> H[1000003];

int hashuire(int x){
    return x%u;
}

int main()
{
    fin>>n;

    for(i=2;i<=n+10;i++){
        if(c[i]==0){
            for(j=i+i;j<=n+10;j+=i)
                c[j]=1;
            u=i;
        }
    }

    for(i=1;i<=n;i++){
        fin>>a>>b;
        if(a==1){
            H[hashuire(b)].push_back(b);
        }
        else
            if(a==2){
                dim=H[hashuire(b)].size();
                for(j=0;j<=dim && dim!=0;j++)
                    if(H[hashuire(b)][j]==b)
                        break;
                for(k=j;k<=dim-1;k++)
                    H[hashuire(b)][k]=H[hashuire(b)][k+1];
                dim--;
            }
            else
                if(a==3){
                    dim=H[hashuire(b)].size();
                    for(j=0;j<=dim && dim!=0;j++)
                        if(H[hashuire(b)][j]==b){
                            fout<<1<<'\n';
                            break;
                        }
                    if(j==dim+1 || (j==dim && dim==0))
                        fout<<0<<'\n';
                }
    }

    return 0;
}