public class EchoTestDrive {
	public static void main(String[] args){
		Echo e1 = new Echo();
		Echo e2 = new Echo();
		int x = 0;
		
		while(x<4){
			e1.hello();
			e1.count = e1.count + 1;
			
			if(x == 3){
				e2.count = e2.count + 1;
			}
			if(x > 0){
				e2.count = e2.count + e1.count;
			}
			x = x + 1;
		}
		System.out.println(e2.count);
	}
}