#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,m,i,j;
    cin>>n;
    m=n/2+1;
    for(i=1;i<=m;i++)
    {
        for(j=1;j<=m-i+1;j++)
        {
            cout<<"*";
        }
        cout<<endl;
    }
    for(i=m-1;i>=1;i--)
    {
        for(j=1;j<=m-i+1;j++)
        {
            cout<<"*";
        }
        cout<<endl;
    }
}
/**************************************************************
	Problem: 1230
	User: wangyiyang
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/