Problem HW: 求3的n次方

Problem HW: 求3的n次方

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Time Limit : 1.000 sec  Memory Limit : 128 MB

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Solved: 93Submit Num: 191Statistics

Description

求3的n次方

Input

n
(0<n<=100)

Output

3的n次方的值

Sample Input Copy 

2

Sample Output Copy 

9

HINT

高精乘低精
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