#include <iostream>
#include <string>
using namespace std;

int main()
{
		string tr1 = "   *   \n";
		string tr2 = "  ***  \n";
		string tr3 = " ***** \n";
		string tr4 = "*******\n";
		string megatr = tr1 + tr2 + tr3 + tr4;
		cout << "####Lab 2, Exercise 15####\n\n";
		cout << "Let there be a triangle!!!\n\n";
		cout << megatr;
		cin.get();

}