Remove First and Last Character

Background

Congcong is currently learning about string manipulation. He encountered an interesting task that requires some simple operations on strings.

Problem Description

Given a string, return a version without both the first and last character of the string. The string may be any length, including $0$.

Input Format

Input is given from standard input in the following format.

A string $S$.

Output Format

Output is printed to standard output in the following format.

The string after removing its first and last characters.

Sample

Hello

"ell"

abc

"b"

ab

""

Sample Explanation

• In Sample 1, the string "Hello" becomes "ell" after removing the first character 'H' and the last character 'o'.
• In Sample 2, the string "abc" becomes "b" after removing the first character 'a' and the last character 'c'.
• In Sample 3, the string "ab" becomes an empty string after removing the first character 'a' and the last character 'b'.

Constraints

Time limit: $1$ second, Memory limit: $1024$ KiB for each test case.