Submission

Status:

[PPPPPPPPPP]

Subtask/Task Score:

{100/100}

Score: 100

User: dentenplay5555

Language: cpp

Time: 0.004 second

Submitted On: 2026-10-04 13:58:54

#include <iostream>
using namespace std;
int main() {
    int n;cin>>n;
    long long a=0;
    for (long long i=6;i<=n*6;i+=6) a+=i-2;
    cout<<a;
}