Submission
Status:
[PPPPPPPPPP]
Subtask/Task Score:
{100/100}
Score: 100
User: Tjeez
Problemset: นักบินอวกาศ
Language: cpp
Time: 0.003 second
Submitted On: 2026-09-23 23:09:14
#include <iostream>
using namespace std;
int main(){
int n;
cin>>n;
cout<<(1+3*n)*n;
}