Make flowchart and c codes about digital security door that use number as a password. The password must be within 6-8 number. If the user wants to open the door, he/she must enter | the password. If the preset password and the entered password match each other, then the password is valid. The user can open the door successfully. If the preset password and the entered password did not match each other, then the password is invalid.The loop back to the enter password display. If the user fill the wrong password more than 3 times, the siren will on