#include <bits/stdc++.h>
using namespace std;
int main(){
	int i,i2;
	cin>>i;
	i2=i;
	for(int k=0;k<i/2;k++){
		for(int y=0;y<k;y++)cout<<" ";
		for(int y=0;y<i2;y++)cout<<"*";
		i2-=2;
		cout<<"\n";
	}
	i2=1;
	for(int k=i/2+1;k>0;k--){
		for(int y=1;y<k;y++)cout<<" ";
		for(int y=0;y<i2;y++)cout<<"*";
		i2+=2;
		cout<<"\n";
	}
	return 0;
}/*
#include <bits/stdc++.h>
using namespace std;
int main(){
	int i,i2;
	cin>>i;
	return 0;
}
#include <bits/stdc++.h>
using namespace std;
int main(){
	int i,i2=1;
	cin>>i;
	return 0;
}
*/

/**************************************************************
	Problem: 1073
	User: zhouhongyi
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/