#pragma GCC optimize("-Ofast","-funroll-all-loops","-ffast-math")
#include <bits/stdc++.h>
using namespace std;
const int INF = 0x3f3f3f3f;
set<string> ok;
int diff(const string& a,const string& b) {
    int d=0;
    for(int i=0;i<a.size();++i)
        d+=a[i]==b[i];
    return d;
}
void test(string s) {
    set<string> cand=ok;
    for(int i=1;i<=6;++i) {
        int best=2e9; string qq;
        for(auto k:ok) {
            map<int,int> c;
            for(auto w:cand) ++c[diff(k,w)];
            int ms=0;
            for(auto t:c) ms+=t.second*t.second;
            if(ms<best) best=ms, qq=k;
        }
        int qry_rst=diff(s,qq);
        set<string> ns;
        for(auto w:cand) if(diff(w,qq)==qry_rst) ns.insert(w);
        cand=ns;
        assert(cand.count(s));
        cout<<cand.size()<<",";
    }
    cout<<"\n";
    assert(cand.size()==1);
}
int main() {
    string P="RQKBBNRN";
    sort(P.begin(),P.end());
    do {
        int s=P.find('K');
        set<int> c;
        for(int t=0;t<P.size();++t) if(P[t]=='B') c.insert(t%2);
        int l=0,r=0;
        for(int t=s;t>=0;--t) l|=P[t]=='R';
        for(int t=s;t<P.size();++t) r|=P[t]=='R';
        if(l&&r&&c.size()==2) ok.insert(P);
    }while(next_permutation(P.begin(),P.end()));
    while(1) {
        string op; cin>>op;
        if(op=="END") break;
        assert(op=="GAME"); int t; cin>>t;
        vector<string> cand(ok.begin(),ok.end());
        for(;;) {
            int best=2e9; string qq;
            for(auto k:ok) {
                static int c[10];
                memset(c,0,sizeof c);
                for(auto w:cand) ++c[diff(k,w)];
                int ms=0;
                for(auto t:c) ms+=t*t;
                if(ms<best) best=ms, qq=k;
            }
            if(cand.size()==1) qq=*cand.begin();
            int qry_rst;
            cout<<qq<<endl;
            cin>>qry_rst;
            if(qry_rst==8) break;
            vector<string> ns;
            for(auto w:cand) if(diff(w,qq)==qry_rst) ns.push_back(w);
            cand=ns;
            // cerr<<"cand size"<<cand.size()<<"?\n";
        }
    }
    /*
    cout<<ok.size()<<"\n";
    for(auto w:ok) {
        cout<<w<<"+++\n";
        test(w);
    }*/
}