#include<iostream>
#include<cmath>
#include<algorithm>
#include<string>
#include<map>
using namespace std;
int main() {
	for (int i = 1;i <= 4;i++) {
		for (int j = i - 1;j > 0;j--) {
			cout << " ";
		}
		for (int j = 4 - i;j >= 0;j--) {
			cout << "* ";
		}
		cout << endl;
	}
	return 0;
}