input digit
1.I opened the bank on the net, realized silver-colored card to transfer accounts, I come to this to negotiable securities block management board piece want to realize political power to block an autograph to make an appointment with, but want me to input word of the 12 digit after negotiable securities blocks bugle call, clew always appears after I input: "Your place original input number inputted character " , no matter was counted how many times,can be me, it is to take word of A of a letter and the number from the back to add up ability is equal to 12, why does it want unluckily so say?

