// 21-abril-2017
 
class Echo // +
{
    int count = 0; // +
 
    void hello(){ // +
    System.out.println("helloooo... ");
    }
 
    public static void main(String[] args)
    {
        Echo e1 = new Echo();
        Echo e2 = new Echo(); // +
        // Echo e2 = e1; // es la respuesta bonus
 
        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);
        System.out.println("");
    }
 
} 
 

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