#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: panjinyan
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/