class R62 {
  public static void main(String[] args) {

    { int[] a = {1, 2, 3, 4, 5, 4, 3, 2, 1, 0}; 
      int total = 0; 
      for (int i = 0; i < 10; i++) { total = total + a[i]; } 
      System.out.println( "(a) " + total ); 
    } 
    { int[] a = {1, 2, 3, 4, 5, 4, 3, 2, 1, 0}; 
      int total = 0; 
      for (int i = 0; i < 10; i = i + 2) { total = total + a[i]; } 
      System.out.println( "(b) " + total ); 
    } 
    { int[] a = {1, 2, 3, 4, 5, 4, 3, 2, 1, 0}; 
      int total = 0; 
      for (int i = 1; i < 10; i = i + 2) { total = total + a[i]; } 
      System.out.println( "(c) " + total ); 
    } 
try{ 
    { int[] a = {1, 2, 3, 4, 5, 4, 3, 2, 1, 0}; 
      int total = 0; 
      for (int i = 2; i <= 10; i++) { total = total + a[i]; } 
      System.out.println( "(d) " + total ); 
    } 
} catch (Exception e) { 
  System.out.println( "(d) throws a java.lang.ArrayIndexOutOfBoundsException." ); 
}
/*****
    { int[] a = {1, 2, 3, 4, 5, 4, 3, 2, 1, 0}; 
      int total = 0; 
      for (int i = 0; i < 10; i = 2 * i) { total = total + a[i]; } // this is an infinite loop 
      System.out.println( "(e) " + total ); 
    } 
 *****/ 
try { 
    { int[] a = {1, 2, 3, 4, 5, 4, 3, 2, 1, 0}; 
      int total = 0; 
      for (int i = 0; i < 10; i--) { total = total + a[i]; } 
      System.out.println( "(f) " + total ); 
    } 
} catch (Exception e) {
  System.out.println( "(f) throws an Exception in thread \"main\" java.lang.ArrayIndexOutOfBoundsException: -1" ); 
}
try { 
    { int[] a = {1, 2, 3, 4, 5, 4, 3, 2, 1, 0}; 
      int total = 0; 
      for (int i = 0; i < 10; i = i +-2) { total = total + a[i]; } 
      System.out.println( "(g) " + total ); 
    } 
} catch (Exception e) {
  System.out.println( "(g) throws an Exception in thread \"main\" java.lang.ArrayIndexOutOfBoundsException: -2" ); 
}
    { int[] a = {1, 2, 3, 4, 5, 4, 3, 2, 1, 0}; 
      int total = 0; 
      for (int i = 0; i < 10; i++) { total = a[i] - total; } 
      System.out.println( "(h) " + total ); 
    } 

  } 
}