TO ADD A COLUMN OF TWO DIGIT NUMBERS-4a
EXAMPLE:        simplify       10s     cents
          22                    2        2
          11                    1        1
          45                   ---      ---
                                3        3
               then add 45      4        5
         ---                   ---     ----
  ANS=    78         ANS=       7        8
--------------------------------------------------------------
EXAMPLE:        simplify       10s     cents
         22                     2        2
         11                     1        1
         99                    ---      ---
                                3        3
              then add 99       9        9
        ---                    ---      ---
                               12       12  = 1 10s and 2 cents
                                1      -10
                               ---      ---
 ANS=   132                    13        2  OR 132
END