#include<bits/stdc++.h>
using namespace std;
int main(){
    int i,j,n;
    cin>>n;
    for(i=1;i<=n/2+1;i++){
        for(j=1;j<=i-1;j++){
            cout<<" ";
        }
        for(j=1;j<=n;j++){
            cout<<"*";
     	}
     	cout<<endl;
     }
     for(i=n/2;i>=1;i--){
        for(j=n/2;j<=n%i;j--){
            cout<<" ";
        }
        for(j=1;j<=n;j++){
            cout<<"*";
     	}
        cout<<endl;
	 }
}
 
 

/**************************************************************
	Problem: 1219
	User: chenjunlin
	Language: C++
	Result: Presentation Error
****************************************************************/