<?php
$array = explode(" ", trim(fgets(STDIN)));
$a = $array[0];
$b = $array[1];
$ans = '0';
if($b - $a > 0) {
  $ans = '+' . ($b - $a);
} else if($b - $a < 0) {
  $ans = '-' . ($a - $b);
}
print($ans);
?>