The extra digit - Problems

What is the maximumnumbercan be obtainedby removingone of thedigits ofa given natural numberN?

Input

Natural numberN(10 ≤N≤10³²).

Output

The answerto the problem.

Time limit 1 second

Memory limit 64 MiB

Input example #1

Output example #1

Source Stage III All-Ukrainian School Olympiad 2011-2012, Round 2, Zhytomyr