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>0 ) {
                e2.count = e2.count + 1;
            }
            if ( x>1 ) {
                e2.count = e2.count + e1.count;
            }
                x = x + 1;
        }
            System.out.println(e2.count);
    }
}