#define here cerr<<"===========================================\n"
#define dbg(x) cerr<<#x<<": "<<x<<endl;
#include <bits/stdc++.h>
#define ld double
#define ll int
#define ull unsigned long long
#define llinf 100000000000000000LL // 10^17
#define iinf 2000000000 // 2*10^9
#define pb push_back
#define eb emplace_back
#define popb pop_back
#define fi first
#define sc second
#define endl '\n'
#define pii pair<int,int>
#define pll pair<ll,ll>
#define pld pair<ld,ld>
#define all(a) a.begin(),a.end()
#define ceri(a,l,r) {cerr<<#a<<": ";for(ll i_ = l;i_<=r;i_++) cerr<<a[i_]<< " ";cerr<<endl;}
#define cer(a) {cerr<<#a<<": ";for(ll x_ : a) cerr<<x_<< " ";cerr<<endl;}
#define si(a) (ll)(a.size())
using namespace std;

#define maxn 4000
	ll tsz = 0;
map<ll,char> mp;
ll g[maxn][maxn];
string kod[maxn];
ll sad = 0;
bool test = 0;
map<string,bool> was;
map<vector<ll>,ll> calc;
vector<ll> upiti;
ll F(ll x,ll y){
    string a = kod[x];
    string b = kod[y];
    ll ans = 0;
    for(ll i = 0;i<8;i++){
        if(a[i]==b[i]) ans++;
    }
    return ans;
}
ll val[10*maxn];
ll nxt[10*maxn][10];
ll res[10*maxn];
ll uk = 0;
ll cntok = 0;
void reshi(ll &V,vector<ll> v){
    //dbg(si(v));
    V = tsz++;
    if(si(v)==0) return;
    if(si(v)==1){
        res[V] = v[0];
        val[V] = v[0];
        uk++;
        return;
    }
    ll xopt = -1,maxi = 1000000;
    for(ll x = 0;x<960;x++){
        vector<vector<ll> > cur(9);
        for(ll y : v){
            cur[F(x,y)].pb(y);
        }
        ll curmax = 0;
        for(vector<ll> s : cur) curmax = max(curmax,si(s));
        if(curmax<maxi){
            xopt = x;
            maxi = curmax;
        }
    }
    vector<vector<ll> > cur(9);
    for(ll y : v){
        cur[F(xopt,y)].pb(y);
    }
    val[V] = xopt;
    for(ll i = 0;i<=8;i++){
        reshi(nxt[V][i],cur[i]);
    }
}
ll maxdub = 0;
void get(ll x,ll dub){
    //dbg(x);
    cout<<kod[val[x]]<<endl;
    ll cnt;
    if(!test) cin >> cnt;
    else cnt = F(val[x],sad);
    //dbg(cnt);
    if(cnt==8){
        cntok++;
        cerr<<"ok"<<endl;
        maxdub = max(dub+1,maxdub);
        return;
    }
    get(nxt[x][cnt],dub+1);
}
ll root = 0;
void tc(){
    get(root,0);
}
int main(){
    fill(res,res+10*maxn,-1);
	int t; t = 1;
	mp[0] = mp[1] = 'B';
	mp[2] = mp[3] = 'N';
	mp[4] = mp[5] = 'R';
	mp[6] = 'Q';
	mp[7] = 'K';
	vector<vector<ll> > v;
	v.pb({});
	for(ll i = 0;i<960;i++) v[0].pb(i);
	vector<ll> p(8);
	iota(all(p),0);
	ll c = 0;
	do{
        ll b1 = -1,b2 = -1;
        ll r1 = -1,r2 = -1;
        ll k = -1;
        string cur = "";
        for(ll i = 0;i<8;i++){
            if(mp[p[i]]=='B'){
                if(b1==-1) b1 = i;
                else b2 = i;
            }else if(mp[p[i]]=='R'){
                if(r1==-1) r1 = i;
                else r2 = i;
            }else if(mp[p[i]]=='K'){
                k = i;
            }
            cur+=mp[p[i]];
        }
        c++;
        if(was[cur]) continue;
        was[cur] = 1;
        bool ok = 1;
        ok&=((k>=r1)&&(k<=r2));
        ok&=((b1&1)!=(b2&1));
        if(ok) kod[tsz++] = cur;
	}while(next_permutation(all(p)));
	dbg(c);
	dbg(tsz);
	for(ll i = 0;i<960;i++) for(ll j = 0;j<960;j++) g[i][j] = F(i,j);
	tsz = 0;
	vector<ll> vv;
	for(ll i = 0;i<960;i++) vv.pb(i);
    reshi(root,vv);
    dbg(tsz);
    dbg(uk);
	for(ll ii = 0;ii<960;ii++){
        //here;
        //dbg(ii);
        string s; if(!test) cin >> s;
        else s = kod[ii];
        if(s=="END") return 0;
        if(!test) cin >> t;
        sad = ii;
        if(0){
            string curs;
            cin >> curs;
            for(ll i = 0;i<960;i++) if(kod[i]==curs) sad = i;
        }
		tc();
	}
	dbg(cntok);
	dbg(maxdub);
	return (0-0);
}