#include <iostream>
using namespace std;

int main()
{
	int s;
	cin >> s;
	int i;
	int rower = 1; //radkovac
	for( i = 1 ; rower <= s; i ++ ){
		cout << "* ";
		if( i % rower == 0 ){
			cout << "\n";
			rower ++;
			i = 0;
		}
	}
}