coffee

#include<stdio.h>
int main()
{
    unsigned long long t,i,j,n,ans=0;
    while(scanf("%llu",&t)==1)
    {
        for(i=1;i<=t;i++)
        {
            scanf("%llu",&n);
            ans=0;
            for(j=1;j<n;j++)
            {
                if(j%2==0)

                ans=ans+j+j;


            }
                printf("%llu\n",ans+n);

        }
    }
}