2404 Too lazy to write the description
Time Limit : 2000/1000 MS(Java/Others) | Memory Limit : 65536/32768 KB(Java/Others)
Submits : 106 | Solved : 52
Description
Input
An integer N(0< N<=18).
Output
An integer.
Sample Input
2
Sample Output
20
An integer N(0< N<=18).
An integer.
2
20