dino's thought

A Builder  goes  to work very early but he encountered a problem.  He forgot the five digit access code to his high-tech workshop.  However, he remembered the five clues to get the right five digit access code.  

Here under are the clues:
-->1.  The fifth number plus the third number of the access code equals fourteen.
-->2.  The fourth number is one more than the second number.
-->3.  The first number is one less than twice the second number.
-->4.  The second plus the third number equals ten.
-->5.  The total of all the five numbers is thirty.

giveme you answer!!