Passing tablenames to stored procedures : 00922: missing or invalid option

This is the procedure I am trying to execute.. and I get the following error on line 11:
00922: missing or invalid option

Can you help me?

CREATE OR REPLACE procedure temp_ccd

(

table_name varchar2

)

IS

records_count number:=0;

v_command varchar(900);

BEGIN



set v_command:='SELECT COUNT(*) FROM '||table_name 'where input_date <= last_day(add_months(sysdate,-1))';

EXECUTE IMMEDIATE v_Command INTO records_count;



-- SELECT count(*)

--FROM @table_name where input_date <= last_day(add_months(sysdate,-1));



COMMIT;





END temp_ccd;