#!/usr/bin/env php
<?php

class Converter
{
    public static function removeSlash($content)
    {
        return preg_replace_callback('/([\x81-\xfe])\\\\/', function($matches) {
            return $matches[1];
        }, $content);
    }
}

$fp = fopen('php://stdin', 'r');

while (false !== ($line = fgets($fp))) {
    echo Converter::removeSlash($line);
}

fclose($fp);