#include<cstdio>

long long int topow(long long int nr,int po)
{
    if(po==1)
    {
        return nr;
    }
    if(po%2==1)
    {
        return topow(nr*nr,po/2)*nr;
    }
    return topow(nr*nr,po/2);
}

int main()
{
    FILE *fin,*fout;
    fin=fopen("patrate2.in","r");
    fout=fopen("patrate2.out","w");

    int n;
    long long int fact=1,pow2;
    fscanf(fin,"%d",&n);
    pow2=topow(2,2*n);
    for(int i=2;i<=n;i++)
    {
        fact*=i;
    }
    fprintf(fout,"%lld",pow2*fact);
}