The square of a number#4722
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The square of a number

1 second
128 megabytes
Very easy

The number is written times consecutively. The resulting number is multiplied by itself. What is the result?

Input

The first line contains nonnegative integer (n \leq 777). The second line contains positive integer (k \leq 777).

Output

Print the resulting number.

Examples

Example 1

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Example 2

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