function flat(entity){
        if(!entity)return'';
        var face='';
        for(i=entity.length-1;i>=0;i--){
                floor=entity.charAt(i);
                if(entity.charAt(i)=='?'){floor='@';}
                if(entity.charAt(i)=='/'){floor='.';}
                if(entity.charAt(i)=='!'){floor='?';}
                face+=floor;
        }
        return face;
}