<?php
$row1 = explode(" ",trim(fgets(STDIN)));
$rowNum = $row1[1];
$myHeight = $row1[0];
$list[] = $myHeight;
for($i=0; $i < ($rowNum-1); $i++) {
    $row = explode(" ",trim(fgets(STDIN)));
    $list[] = $row[0];
}
sort($list);
$listFlipped = array_flip($list);
$rank = $listFlipped[$myHeight] + 1;
$surfix = array("st","nd","rd","th");
if($rank > 3) {
    echo $rank.$surfix[3];
} else {
    echo $rank.$surfix[$rank-1];
}