#include <bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	
	cin>>n;
	for(int i=(n+1)/2-1;i>=0;i--)
	{
		for(int j=1;j<=(n+1)/2-i-1;j++)
		{
			cout<<" "; 
		}
		for(int j=1;j<=2*i+1;j++)
		{
			cout<<"*"; 
		}
		cout<<endl; 
	}
		for(int i=1;i<=n/2;i++)
		{
			for(int j=1;j<=n/2-i;j++)
			{
				cout<<" "; 
			}
				for(int j=1;j<=2*i+1;j++)
				{
				cout<<"*";
				}
					cout<<endl;
		}
					return 0;
}

#include <bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; for(int i = (n+1)/2-1;i>=0;i--){ for(int j=1;j<=(n+1)/2-i-1;j++){ cout<<" "; } for(int j=1;j<=2i+1;j++){ cout<<""; } cout<<endl; } for(int i = 1;i<=n/2;i++){ for(int j=1;j<=n/2-i;j++){ cout<<" "; } for(int j=1;j<=2i+1;j++){ cout<<""; } cout<<endl; }

return 0;

}

#include
using namespace std;
int main(){
	int a;
	cin>>a;
	for(int i=a;i>1;i-=2){
		for(int j=1;j<=(a-i)/2;j++) cout<<" ";
		for(int j=i;j>=1;j--) cout<<"*";
		cout<<endl;
	}
	for(int i=1;i<=a;i+=2){
		for(int j=1;j<=(a-i)/2;j++) cout<<" ";
		for(int j=i;j>=1;j--) cout<<"*";
		cout<<endl;
	}
}