Submission
Status:
[PPPPPPPPPP]
Subtask/Task Score:
{100/100}
Score: 100
User: Veerawich
Problemset: นักบินอวกาศ
Language: python
Time: 0.014 second
Submitted On: 2025-12-10 20:53:35
'''
Welcome to GDB Online.
GDB online is an online compiler and debugger tool for C, C++, Python, Java, PHP, Ruby, Perl,
C#, OCaml, VB, Swift, Pascal, Fortran, Haskell, Objective-C, Assembly, HTML, CSS, JS, SQLite, Prolog.
Code, Compile, Run and Debug online from anywhere in world.
'''
t = int(input())
s = t * (4 + ((t - 1) * 3))
print(s)