<?php

$n = intval(readline());

for ($a = 1; $a <= 9; $a++) {
    for ($b = 9; $b >= $a; $b--) {
        for ($c = 0; $c <= 9; $c++) {
            for ($d = 9; $d >= $c; $d--) {
                if (($a + $b + $c + $d) == ($a * $b * $c * $d) && ($n % 10) == 5) {
                echo $a . $b . $c . $d; return;
                }
                if((($a * $b * $c * $d) / ($a + $b + $c +$d)) == 3 && ($n % 3) == 0) {
                echo $d . $c . $b . $a; return;
                }

            }
        }
    }
}
echo "Nothing found";