#include <iostream>
using namespace std;

int main(){
	int i,j,n;
	cin>>n;
	for(i = 1;i <= n;i++){
		if(i == 1 || i == n){
			for(j = 1;j <= n;j++) cout<<"*"; 
		}else{
			for(j = 1;j <= n - i;j++) cout<<" ";
			cout<<"*";
		}
		
		cout<<endl;
	}
}