#include <stdio.h>
int a[15000];
int b[15000];
int p;
int n;
int main()
{
    freopen ("patrate2.in","r",stdin);
    freopen ("patrate2.out","w",stdout);
    scanf("%d",&n);
    int m=n*n;
    a[1]=1;
    p=1;
    for(int x=1;x<=m;x++)
    {
            for(int i=1;i<=p;i++)
            {
                    a[i]*=2;
                    a[i]+=a[i-1]/10;
                    a[i-1]%=10;
            }
            a[p+1]=a[p]/10;
            a[p]%=10;
            while(a[p+1]!=0) 
            {
                             p++;
                             a[p+1]=a[p]/10;
                             a[p]%=10;
            }
    }
    for(int i=p;i>=1;i--) b[i]=a[i];
    for(int v=2;v<=n;v++)
    {
    for(int x=2;x<=v;x++)
    {
            for(int i=1;i<=p;i++)
            {
                    b[i]+=a[i];
                    b[i+1]+=b[i]/10;
                    b[i]%=10;
            }
            while(b[p+1]!=0)
            {
                            p++;
            }
    }
    for(int i=1;i<=p;i++) a[i]=b[i];
    }
    for(int i=p;i>=1;i--) printf("%d",b[i]); 
}