Competitions

# Delete one digit

Three-digit number is given. Delete in it one digit to get the maximum possible number. The order of the digits should not be changed.

#### Input

One three-digit number.

#### Output

Print the maximum possible number after deleting one digit.

Time limit 1 second
Memory limit 128 MiB
Input example #1
432

Output example #1
43

Input example #2
659

Output example #2
69