A deployment tool resolves file references relative to a current base directory. You are given a base directory (an absolute path starting with /) and a target path. Produce the canonical absolute path the target refers to:

• If the target starts with /, it is absolute and is resolved from the root, ignoring the base.
• Otherwise the target is relative: it is resolved starting from the base directory.
• In either case, apply Unix segment rules: . means the current directory (drop it), .. means the parent directory (remove the previous real name; at the root it has no effect), and repeated slashes collapse.
• The result starts with a single / and, unless it is the root, has no trailing /. The root itself is /.

Directory names between slashes consist of lowercase letters and digits only.

Input format

Line 1: the base directory (an absolute path beginning with /). Line 2: the target path.

Output format

A single line: the canonical absolute resolved path.

Constraints

• 1 <= length of each line <= 200
• The base begins with /. Both lines use only /, lowercase letters, digits, and . characters.

/home/user
../admin/./config

/home/admin/config

/var/log
/etc/nginx

/etc/nginx