#include<bits/stdc++.h>
using namespace std;
int main(){
    int i,j,n;
    cin>>n;
    for(i=1;i<=n;i++){
        for(j=1;j<=i-1;j++){
            cout<<" ";
        }
            for(j=1;j<=(n-i)*2+1;j++){
            cout<<"*";
            }
            cout<<endl;
        } 
         
         
         
    return 0;
}
/**************************************************************
	Problem: 1070
	User: lijinkai
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/