#!/bin/bash

FF=$1

while echo $FF |grep '\/\.\/' > /dev/null
do
FF=`echo $FF | sed -e "s#/\./#/#g"`
done


while echo $FF |grep '\.\.' > /dev/null
do
FF=`echo $FF | sed -e "s#/[^/][^/]*/\.\.##"`
done

echo $FF