#include "bits/stdc++.h"

using namespace std;

bool query(string s) {
    cout << "? " << s << endl;
    bool f;
    cin >> f;
    return f == 1;
}

void answer(char s) {
    cout << "! " << s << endl;
    exit(0);
}

signed main() {
// initally it's a pawn
    if (query("d3"))//bishop,king,queen
    {
        if (query("a3"))//queen
        {
            query("a2");
            query("e2");
            answer('q');
        } else { //bishop , king is in e2
            if (query("a6")) { // bishop
                query("e2");
                answer('b');
            } else { // king
                query("e2");
                answer('k');
            }
        }
    } else //pawn, knight,rook
    {
        if (query("g3")) { // knight
            query("e2");
            answer('n');
        } else {
            if (query("e8"))//rook
            {
                query("e2");
                answer('r');
            } else
                answer('p');
        }
    }
}