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A - 2^N

Score : $100$ points

Problem Statement

Given $N$, print $2^N$.

Constraints

• $0 \leq N \leq 30$
• $N$ is an integer.

Input

Input is given from Standard Input in the following format:

$N$

Output

Print the answer.

3

8

We have $2^3=8$.

30

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