#include <bits/stdc++.h>
#define x first
#define y second
using namespace std;
using ll=long long;
using ld=long double;
using pii=pair<int,int>;
using vi=vector<int>;
using vl=vector<ll>;
#define pb push_back
#define all(a) begin(a),end(a)

const int N=300010,MOD=1e9+7;
const char en='\n';
const ll LLINF=1ll<<60;

int n,mad;

int ko(string a,string b)
{
	int cn=0;
	for (int i=0;i<8;++i) if (a[i]==b[i]) ++cn;
	return cn;
}

map<vector<string>,string> koj;
vector<string> sve={"NNBBRKRQ","BNNBRKRQ","NBBNRKRQ","BBNNRKRQ","NBNRBKRQ","NNRBBKRQ","NRNBBKRQ","RNNBBKRQ","NBRNBKRQ","RBNNBKRQ","NBBRNKRQ","BBNRNKRQ","BNRBNKRQ","NRBBNKRQ","RNBBNKRQ","BRNBNKRQ","BBRNNKRQ","RBBNNKRQ","NNBRKBRQ","BNNRKBRQ","BNRNKBRQ","NRBNKBRQ","RNBNKBRQ","BRNNKBRQ","NNRKBBRQ","NRNKBBRQ","RNNKBBRQ","NRKNBBRQ","RNKNBBRQ","RKNNBBRQ","BNRKNBRQ","NRBKNBRQ","RNBKNBRQ","BRNKNBRQ","BRKNNBRQ","RKBNNBRQ","NBBRKNRQ","BBNRKNRQ","BNRBKNRQ","NRBBKNRQ","RNBBKNRQ","BRNBKNRQ","BBRNKNRQ","RBBNKNRQ","NBRKBNRQ","RBNKBNRQ","NRKBBNRQ","RNKBBNRQ","RKNBBNRQ","RBKNBNRQ","BBRKNNRQ","RBBKNNRQ","BRKBNNRQ","RKBBNNRQ","NBNRKRBQ","NNRBKRBQ","NRNBKRBQ","RNNBKRBQ","NBRNKRBQ","RBNNKRBQ","NBRKNRBQ","RBNKNRBQ","NRKBNRBQ","RNKBNRBQ","RKNBNRBQ","RBKNNRBQ","NNRKRBBQ","NRNKRBBQ","RNNKRBBQ","NRKNRBBQ","RNKNRBBQ","RKNNRBBQ","NRKRNBBQ","RNKRNBBQ","RKNRNBBQ","RKRNNBBQ","NBRKRNBQ","RBNKRNBQ","NRKBRNBQ","RNKBRNBQ","RKNBRNBQ","RBKNRNBQ","RBKRNNBQ","RKRBNNBQ","NBBRKRNQ","BBNRKRNQ","BNRBKRNQ","NRBBKRNQ","RNBBKRNQ","BRNBKRNQ","BBRNKRNQ","RBBNKRNQ","NBRKBRNQ","RBNKBRNQ","NRKBBRNQ","RNKBBRNQ","RKNBBRNQ","RBKNBRNQ","BBRKNRNQ","RBBKNRNQ","BRKBNRNQ","RKBBNRNQ","BNRKRBNQ","NRBKRBNQ","RNBKRBNQ","BRNKRBNQ","BRKNRBNQ","RKBNRBNQ","NRKRBBNQ","RNKRBBNQ","RKNRBBNQ","RKRNBBNQ","BRKRNBNQ","RKBRNBNQ","BBRKRNNQ","RBBKRNNQ","BRKBRNNQ","RKBBRNNQ","RBKRBNNQ","RKRBBNNQ","NNBBRKQR","BNNBRKQR","NBBNRKQR","BBNNRKQR","NBNRBKQR","NNRBBKQR","NRNBBKQR","RNNBBKQR","NBRNBKQR","RBNNBKQR","NBBRNKQR","BBNRNKQR","BNRBNKQR","NRBBNKQR","RNBBNKQR","BRNBNKQR","BBRNNKQR","RBBNNKQR","NNBRKBQR","BNNRKBQR","BNRNKBQR","NRBNKBQR","RNBNKBQR","BRNNKBQR","NNRKBBQR","NRNKBBQR","RNNKBBQR","NRKNBBQR","RNKNBBQR","RKNNBBQR","BNRKNBQR","NRBKNBQR","RNBKNBQR","BRNKNBQR","BRKNNBQR","RKBNNBQR","NBBRKNQR","BBNRKNQR","BNRBKNQR","NRBBKNQR","RNBBKNQR","BRNBKNQR","BBRNKNQR","RBBNKNQR","NBRKBNQR","RBNKBNQR","NRKBBNQR","RNKBBNQR","RKNBBNQR","RBKNBNQR","BBRKNNQR","RBBKNNQR","BRKBNNQR","RKBBNNQR","NNBBRQKR","BNNBRQKR","NBBNRQKR","BBNNRQKR","NBNRBQKR","NNRBBQKR","NRNBBQKR","RNNBBQKR","NBRNBQKR","RBNNBQKR","NBBRNQKR","BBNRNQKR","BNRBNQKR","NRBBNQKR","RNBBNQKR","BRNBNQKR","BBRNNQKR","RBBNNQKR","NNBBQRKR","BNNBQRKR","NBBNQRKR","BBNNQRKR","NBNQBRKR","NNQBBRKR","NQNBBRKR","QNNBBRKR","NBQNBRKR","QBNNBRKR","NBBQNRKR","BBNQNRKR","BNQBNRKR","NQBBNRKR","QNBBNRKR","BQNBNRKR","BBQNNRKR","QBBNNRKR","NNBRQBKR","BNNRQBKR","BNRNQBKR","NRBNQBKR","RNBNQBKR","BRNNQBKR","NNBQRBKR","BNNQRBKR","BNQNRBKR","NQBNRBKR","QNBNRBKR","BQNNRBKR","NNRQBBKR","NRNQBBKR","RNNQBBKR","NNQRBBKR","NQNRBBKR","QNNRBBKR","NRQNBBKR","RNQNBBKR","NQRNBBKR","QNRNBBKR","RQNNBBKR","QRNNBBKR","BNRQNBKR","NRBQNBKR","RNBQNBKR","BRNQNBKR","BNQRNBKR","NQBRNBKR","QNBRNBKR","BQNRNBKR","BRQNNBKR","BQRNNBKR","RQBNNBKR","QRBNNBKR","NBBRQNKR","BBNRQNKR","BNRBQNKR","NRBBQNKR","RNBBQNKR","BRNBQNKR","BBRNQNKR","RBBNQNKR","NBBQRNKR","BBNQRNKR","BNQBRNKR","NQBBRNKR","QNBBRNKR","BQNBRNKR","BBQNRNKR","QBBNRNKR","NBRQBNKR","RBNQBNKR","NBQRBNKR","QBNRBNKR","NRQBBNKR","RNQBBNKR","NQRBBNKR","QNRBBNKR","RQNBBNKR","QRNBBNKR","RBQNBNKR","QBRNBNKR","BBRQNNKR","RBBQNNKR","BBQRNNKR","QBBRNNKR","BRQBNNKR","BQRBNNKR","RQBBNNKR","QRBBNNKR","NBNRKQBR","NNRBKQBR","NRNBKQBR","RNNBKQBR","NBRNKQBR","RBNNKQBR","NBRKNQBR","RBNKNQBR","NRKBNQBR","RNKBNQBR","RKNBNQBR","RBKNNQBR","NBNRQKBR","NNRBQKBR","NRNBQKBR","RNNBQKBR","NBRNQKBR","RBNNQKBR","NBNQRKBR","NNQBRKBR","NQNBRKBR","QNNBRKBR","NBQNRKBR","QBNNRKBR","NBRQNKBR","RBNQNKBR","NBQRNKBR","QBNRNKBR","NRQBNKBR","RNQBNKBR","NQRBNKBR","QNRBNKBR","RQNBNKBR","QRNBNKBR","RBQNNKBR","QBRNNKBR","NNRKQBBR","NRNKQBBR","RNNKQBBR","NRKNQBBR","RNKNQBBR","RKNNQBBR","NNRQKBBR","NRNQKBBR","RNNQKBBR","NNQRKBBR","NQNRKBBR","QNNRKBBR","NRQNKBBR","RNQNKBBR","NQRNKBBR","QNRNKBBR","RQNNKBBR","QRNNKBBR","NRKQNBBR","RNKQNBBR","RKNQNBBR","NRQKNBBR","RNQKNBBR","NQRKNBBR","QNRKNBBR","RQNKNBBR","QRNKNBBR","RKQNNBBR","RQKNNBBR","QRKNNBBR","NBRKQNBR","RBNKQNBR","NRKBQNBR","RNKBQNBR","RKNBQNBR","RBKNQNBR","NBRQKNBR","RBNQKNBR","NBQRKNBR","QBNRKNBR","NRQBKNBR","RNQBKNBR","NQRBKNBR","QNRBKNBR","RQNBKNBR","QRNBKNBR","RBQNKNBR","QBRNKNBR","RBKQNNBR","RBQKNNBR","QBRKNNBR","RKQBNNBR","RQKBNNBR","QRKBNNBR","NBBRKQNR","BBNRKQNR","BNRBKQNR","NRBBKQNR","RNBBKQNR","BRNBKQNR","BBRNKQNR","RBBNKQNR","NBRKBQNR","RBNKBQNR","NRKBBQNR","RNKBBQNR","RKNBBQNR","RBKNBQNR","BBRKNQNR","RBBKNQNR","BRKBNQNR","RKBBNQNR","NBBRQKNR","BBNRQKNR","BNRBQKNR","NRBBQKNR","RNBBQKNR","BRNBQKNR","BBRNQKNR","RBBNQKNR","NBBQRKNR","BBNQRKNR","BNQBRKNR","NQBBRKNR","QNBBRKNR","BQNBRKNR","BBQNRKNR","QBBNRKNR","NBRQBKNR","RBNQBKNR","NBQRBKNR","QBNRBKNR","NRQBBKNR","RNQBBKNR","NQRBBKNR","QNRBBKNR","RQNBBKNR","QRNBBKNR","RBQNBKNR","QBRNBKNR","BBRQNKNR","RBBQNKNR","BBQRNKNR","QBBRNKNR","BRQBNKNR","BQRBNKNR","RQBBNKNR","QRBBNKNR","BNRKQBNR","NRBKQBNR","RNBKQBNR","BRNKQBNR","BRKNQBNR","RKBNQBNR","BNRQKBNR","NRBQKBNR","RNBQKBNR","BRNQKBNR","BNQRKBNR","NQBRKBNR","QNBRKBNR","BQNRKBNR","BRQNKBNR","BQRNKBNR","RQBNKBNR","QRBNKBNR","NRKQBBNR","RNKQBBNR","RKNQBBNR","NRQKBBNR","RNQKBBNR","NQRKBBNR","QNRKBBNR","RQNKBBNR","QRNKBBNR","RKQNBBNR","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BN","RKQNRBBN","RQKNRBBN","QRKNRBBN","RKRQNBBN","RKQRNBBN","RQKRNBBN","QRKRNBBN","RBKRQNBN","RKRBQNBN","RBKQRNBN","RBQKRNBN","QBRKRNBN","RKQBRNBN","RQKBRNBN","QRKBRNBN","BBRKRQNN","RBBKRQNN","BRKBRQNN","RKBBRQNN","RBKRBQNN","RKRBBQNN","BBRKQRNN","RBBKQRNN","BRKBQRNN","RKBBQRNN","BBRQKRNN","RBBQKRNN","BBQRKRNN","QBBRKRNN","BRQBKRNN","BQRBKRNN","RQBBKRNN","QRBBKRNN","RBKQBRNN","RBQKBRNN","QBRKBRNN","RKQBBRNN","RQKBBRNN","QRKBBRNN","BRKRQBNN","RKBRQBNN","BRKQRBNN","RKBQRBNN","BRQKRBNN","BQRKRBNN","RQBKRBNN","QRBKRBNN","RKRQBBNN","RKQRBBNN","RQKRBBNN","QRKRBBNN"};

void nap(vector<string> v,int d)
{
	if (v.size()<=1)
	{
		mad=max(mad,d+(int)v.size());
		if (v.size()==1) koj[v]=v[0];
		return;
	}
	ld maxsl=-1;
	string kak="??";
	for (auto x: sve)
	{
		vi u(9);
		for (auto y: v) ++u[ko(x,y)];
		ld s=0;
		for (auto y: u) s+=log(y+1);
		if (s>maxsl)
		{
			maxsl=s;
			kak=x;
		}
	}
	vector<vector<string>> u(9);
	for (auto y: v) u[ko(kak,y)].pb(y);
	for (int i=0;i<8;++i) nap(u[i],d+1);
	koj[v]=kak;
}

int main()
{
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	vector<string> v;
	/*for (int b=0;b<(1<<24);++b) //QKRBN
	{
		vi cn(8);
		for (int i=0;i<8;++i) ++cn[(b>>(i*3))&7];
		if (cn[0]!=1 || cn[1]!=1 || cn[2]!=2 || cn[3]!=2 || cn[4]!=2) continue;
		int p1=-1,p2=-1;
		for (int i=0;i<8;++i) if (((b>>(i*3))&7)==3)
		{
			if (p1==-1) p1=i;
			else p2=i;
		}
		if ((p1+p2)%2==0) continue;
		p1=-1,p2=-1;
		for (int i=0;i<8;++i) if (((b>>(i*3))&7)==2)
		{
			if (p1==-1) p1=i;
			else p2=i;
		}
		bool ok=1;
		for (int i=0;i<8;++i) if (((b>>(i*3))&7)==1)
		{
			if (i<p1 || i>p2) ok=0;
		}
		string s,u="QKRBN";
		for (int i=0;i<8;++i) s.pb(u[(b>>(i*3))&7]);
		if (ok) v.pb(s);
	}
	freopen("re.txt","w",stdout);
	cout<<"{";
	for (int i=0;i<(int)v.size();++i)
    {
        if (i) cout<<",";
        cout<<"\""<<v[i]<<"\"";
    }
    cout<<"}";
    exit(0);*/
    nap(sve,0);
	while (1)
	{
		string w;
		cin>>w;
		if (w=="END") exit(0);
		int c;
		cin>>c;
		auto mog=sve;
		while (1)
		{
		    string qu=koj[mog];
		    cout<<qu<<endl;
		    int cn;
		    cin>>cn;
		    if (cn==8) break;
		    vector<string> nov;
		    for (auto x: mog) if (ko(x,qu)==cn) nov.pb(x);
		    mog=nov;
		}
	}
}