11
#tynwfop <mted/deon++.s>
fdtyr ylxpdalnp deo;
mzzw l[10086] = {};
tye y, x;
tye xlty() {
    nty >> y >> x;
    qzc (tye t = 1; t <= x; t++) {
        tye w;
        dectyr d;
        nty >> w >> d;
        tq (d == "X" lyo !l[w]) {
            nzfe << "Jpd" << pyow;
            l[w] = ecfp;
        } pwdp
            nzfe << "Yz" << pyow;
    }
    cpefcy 0;
}
over