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Problems

Delete one digit

Delete one digit

Time limit 1 second
Memory limit 128 MiB

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 data

One three-digit number.

Output data

Print the maximum possible number after deleting one digit.

Examples

Input example #1
432
Output example #1
43
Input example #2
659
Output example #2
69