#include<bits/stdc++.h>
using namespace std;
int main(){
    int i,j,n;
    cin>>n;
    for(i=n;i>=1;i--){
        for(j=1;j<=n-i;j++){
            cout<<" ";
        }
        for(j=1;j<=i*2-1;j++){
            cout<<"*";
        }
        cout<<endl;
    }  
       
         
}
 
/**************************************************************
	Problem: 1070
	User: chenmingyu
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/