Trimming in case statement

Hi everyone,
Can you please help me in the following T-SQL Code.
I have 2 columns A & B as below
    A                        B
001659231            01
000978282            0
000097454              2
000006574            00
I need to eliminate zero's part from all the numbers under A Column
I need to eliminate zero part under B column also.
Then I need to add both of these column values with out zeros.
As of now (below is the case statement)what I am doing is eliminating only 1st zero of column A values , but we should eliminate any number of zeros (1 or 2 or 3,etc)
 CASE WHEN LEFT(A,1)='0'
 THEN LTRIM(STUFF(A,1,1,' '))
 ELSE A END + '-'
 + CAST(CASE WHEN ISNUMERIC(ac.B)=1 THEN CONVERT(INT,B) ELSE 0 END AS varchar(2)) AS MEMBER
Can you please help me in this.
Thanks
Vishu

I have 2 columns A & B as below, both the columns are varchar data type
 A                        B                         
output
001659HGJ1                   01           1659HGJ1-1
00097AF8282                   0           97AF8282-0
000097454                      2            97454-2
00000                           00           00000-00
I need to eliminate zero's part from all the values under A Column(if the value is 000 or 0000 or 00, then we should get that value as it is)
I need to eliminate zero part under B column if the value starts with zeros.(if the value is single zero or double zero under column B we should get only single zero)
Then I need to concatenate both these columns.
output should be as below
1659HGJ1-1
97AF8282-0
97454-2
00000-0

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    Fixed code:
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    -- END IF;
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    -- GOTO exit;
    -- END IF;
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    -- ELSE
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    -- GOTO exit;
    -- END IF;
    WHEN (length(substr(input_post_code,1,instr(input_post_code,' ')-1)) = 3
    AND instr(alphabet_string,substr(input_post_code,1,1)) != 0
    AND instr(number_string,substr(input_post_code,2,1)) != 0
    AND instr(alphabet_string,substr(input_post_code,3,1)) != 0)
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    -- ELSE
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    -- GOTO exit;
    -- END IF;
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    DBMS_OUTPUT.PUT_LINE('We have a valid postcode in the format AA99');
    -- ELSE
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    -- GOTO exit;
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    <<exit>>
    DBMS_OUTPUT.PUT_LINE('Please try again');
    END;
    /As VG2 pointed out you were missing some semicolons.
    Also, CASE input_post_code was replaced with just CASE since you are doing a searched case.
    Also, END at the end of the case statement was replaced with END CASE.

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    HTH
    John

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