<h3 id="heading-problem-pdfhttpsonlinejudgeorgexternal9913pdf"><a target="_blank" href="https://onlinejudge.org/external/9/913.pdf">Problem PDF</a></h3>
<h3 id="heading-solution">Solution:</h3>
<pre><code>#include
int main()
{
 long long n;
 while (scanf("%lld",&amp;n)==1)
 printf("%lld\n",((n*(n+2))/2)*3-6);
return 0;
}
</code></pre><a target="_blank" href="https://github.com/Shipu/OnlineJudgeProblemSolutionWithCPlusPlus/tree/master/uva/913/913.cpp">https://github.com/Shipu/OnlineJudgeProblemSolutionWithCPlusPlus/tree/master/uva/913/913.cpp</a>

### [Problem PDF](https://onlinejudge.org/external/9/913.pdf)

### Solution:

    #include
    int main()
    {
        long long n;
        while (scanf("%lld",&n)==1)
        printf("%lld\n",((n*(n+2))/2)*3-6);
    return 0;
    }
    

[https://github.com/Shipu/OnlineJudgeProblemSolutionWithCPlusPlus/tree/master/uva/913/913.cpp](https://github.com/Shipu/OnlineJudgeProblemSolutionWithCPlusPlus/tree/master/uva/913/913.cpp)

UVA 913 - Joana and the Odd Numbers

Problem PDF

Solution: