Problem8044--ABC256 —— A - 2^N

8044: ABC256 —— A - 2^N

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Time Limit : 1.000 sec  Memory Limit : 256 MiB

Description

Given N, print $2^N$.

Input

Input is given from Standard Input in the following format:
$N$

Output

Print the answer.

Constraints

0≤N≤30
N is an integer.

Sample 1 Input

3

Sample 1 Output

8
We have $2^3=8$.

Sample 2 Input

30

Sample 2 Output

1073741824

Source/Category