class Functions {
	public static void main(String[] args) {
		foo();  // calling foo
		foo();

		goo(12);
		int x = 32;
		goo(x);

		int y = 54;
		hoo(x,y);
	}

	public static void foo() {
		System.out.println("hello");
	}

	public static void goo(int x) {
		System.out.println(x);
	}

	public static void hoo(int w, int z) {
		System.out.println(w + "," + z);
	}

}