License plate#1290

License plate

0.1 seconds
64 megabytes
Medium

An international license plate for a car consists of Arabic numerals and uppercase Latin letters. To ensure the uniqueness of the plate, any sequence of these letters and digits is permitted.

How many different such license plates are possible?

Input

A single line contains two non-negative integers and separated by a space. Both numbers do not exceed .

Output

Output a single number — the answer to the problem.

Examples

Example 1

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