#include <iostream>
#include <cstring>

using namespace std;

int main(){
	int n,i,j;
	cin>>n;
	n = n / 2 + 1;
	
	
	for(i = n;i >= 1;i--){
		for(j = 1;j <= i;j++){
			cout<<"*";
		}
		
		cout<<endl;
	}
	
	for(i = 2;i <= n;i++){
		for(j = 1;j <= i;j++){
			cout<<"*";
		}
		cout<<endl;
	} 
	
	
}
/**************************************************************
	Problem: 1230
	User: admin
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/