#include<iostream>
using namespace std;
int main(){
	int m;
	cin >> m;
	for (int i = 1; i <= m; i++){
		for (int j = 1; j <= 2 * i - 1; j++)
			cout << "*";
		cout << endl;
	} 
	return 0;
}

#include <bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin >>n;
	int s=1;
	for (int i=1;i<=n;i++){
		for (int j=1;j<=s;j++){
			cout <<"*";
		}
		cout <<endl;
		s+=2;
	}
	return 0;
}