class Scope {
	public static void f(int a) {
		int b = 1;             // local definition
		System.out.println(a); // print 10
		a = b;                 // update a
		System.out.println(a); // print 1
	}

	public static void main(String[] args) {
		int i = 10;       // local definition
		f(i);             // invoking f() with i as parameter
		System.out.println(a); 
		System.out.println(b);
	}
}