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

	return 0;
}

/**************************************************************
	Problem: 1219
	User: cyp
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/