#include<bits/stdc++.h>
using namespace std;
int main(){
    int a,b=0,c;
    cin>>a;
    c=a;
    for(int i=1;i<=a;i=i+1){
        for(int x=c;x>i;x--){
            cout<<' ';
        }
        for(int j=1;j<=(a-(a-i))*2-1;j++){
            cout<<'*';
        }
        cout<<endl;
}
} 
/**************************************************************
	Problem: 1068
	User: wangchenyu
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/