#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    for (int i=0;i<=n/2;i++) {
        for (int j=0;j<i;j++) {
            cout<<" ";
        }
        for (int k=0;k<n;k++) {
            cout<<"*";
        }
        cout<<endl;
    }
    for (int i=n/2-1;i>=0;i--) {
        for (int j=0;j<i;j++) {
            cout<<" ";
        }
        for (int k=0;k<n;k++) {
            cout<<"*";
        }
        cout<<endl;
    }
}   
/**************************************************************
	Problem: 1219
	User: wngjinming
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/