class Test {
   public static void main( String args[] )
   {
      int a[][] = {{1, 2},{3},{4, 5}};

      for (int i = 0; i < a.length; i++ )
         
         for (int j = 0; j < a[i].length; j++ )
            System.out.println( a[i][j] );
   }

}