what will be the output of the following?

public class MyFirst {  
      public static void main(String[] args) {  
         MyFirst obj = new MyFirst(n);  
 }  
 static int a = 10;  
 static int n;  
 int b = 5;  
 int c;  
 public MyFirst(int m) {  
       System.out.println(a + ", " + b + ", " + c + ", " + n + ", " + m);  
   }  
// Instance Block  
  {  
     b = 30;  
     n = 20;  
  }   
// Static Block  
  static   
{  
          a = 60;  
     }   
 }