#include <iostream>
using namespace std;
 
int main() {
 
	cout << "=== Case (A) ===" << endl;
	for (int j = 1; j <= 5; j++) {
		for (int i = 1; i <= j; i++) {
			cout << "*";
		}
		cout << endl;
	}
 
	cout << "=== Case (B) ===" << endl;
	for (int j = 5; j >= 1; j--) {
		for (int i = 1; i <= j; i++) {
			cout << "*";
		}
		cout << endl;
	}
 
	for (int j = 1; j <= 5; j++) {
		for (int i = 1; i <= 6 - j; i++) {
			cout << "*";
		}
		cout << endl;
	}
 
	cout << "=== Case (C) ===" << endl;
 
	// how to print spaces before * ?
 
	cout << "=== Case (D) ===" << endl;
 
	return 0;
}

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