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#22754. Powers of Two

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USACO 2005 February Contest (Bronze)

Given an integer $N$ ($0 \le N \le 265$), print exactly the value of $2^N$ (with no leading zeroes or spaces, of course).

Input

Line 1: The integer $N$

Output

Line 1: A single line that contains $2^N$.

Examples

Input 1

Output 1

1267650600228229401496703205376

Problem credits: Traditional, 2005

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