#include

#include<stdio.h>

#include<math.h>

#include

#include<string.h>

#include

using namespace std; int main() {

int n;

cin>>n;

for(int i=1;i<=n;i++)
{
	for(int j=1;j<=n+i-1;j++)
	{
	    if(n-i+1<=j&&n+i>=j)

	
		 cout<<"*";
		 
	    else cout<<" ";
	}
	cout<<endl;
}

}