..

#include <bits/stdc++.h>
using namespace std;
int n,p,q,p1,p2;
vector <int> a,b,c;
int main() {
    cin>>n;
    for(int i=1;n>=i;i++)
        c.push_back(i);
    while(n)
    {
        random_shuffle(c.begin(),c.end());
        cout<<"Q "<<n/2<<" ";
        for(int i=0;n/2>i;i++)
            cout<<c[i]<<" ";
            cout<<endl;
    cin>>p;
    if(p!=0 and p!=n/2)
        {continue;}
     cout<<"Q "<<n-n/2<<" ";
        for(int i=n/2;n>i;i++)
            cout<<c[i]<<" ";
        cout<<endl;
        cout.flush();
    cin>>q;
    if(q!=0 and q!=n-n/2)
        {continue;}
    if(p==0)
    {
        for(int i=0;n/2>i;i++)
        {
            b.push_back(c[i]);
        }
    }
    if(q==0)
    {
        for(int i=n/2;n>i;i++)
        {
            b.push_back(c[i]);
        }
    }
    if(p==n/2)
    {
        for(int i=0;n/2>i;i++)
        {
            a.push_back(c[i]);
        }
    }
    if(q==n-n/2)
    {
        for(int i=n/2;n>i;i++)
        {
            a.push_back(c[i]);
        }
    }
    break;
    }
int pocz=0;
int k=a.size();
while(k>pocz+1)
{
    int s=(pocz+k)/2;
    int x=b.size()+s;
    cout<<"Q "<<x<<" ";
    for(int i=0;b.size()>i;i++)
        cout<<b[i]<<" ";
    for(int i=0;s>i;i++)
        cout<<a[i]<<" ";
        cout<<endl;
        cout.flush();
    cin>>p;
    if(p==0)
    {
        pocz=s;
    }
    else
        k=s;
}
p1=a[pocz];
 pocz=0;
 k=b.size();
while(k>pocz+1)
{
    int s=(pocz+k)/2;
    int x=a.size()+s;
    cout<<"Q "<<x<<" ";
    for(int i=0;a.size()>i;i++)
        cout<<a[i]<<" ";
    for(int i=0;s>i;i++)
        cout<<b[i]<<" ";
        cout<<endl;
        cout.flush();
    cin>>p;
    if(p==x)
    {
        pocz=s;
    }
    else
        k=s;
}
p2=b[pocz];
cout<<"A "<<p1<<" "<<p2<<endl;
    return 0;
}