title: euler question about strings and ints
body: <p>i am currently programming in euler (mathematics)
  the problem is i need to split the first 10 numbers and the latst 2</p>
  
  <p>: 012345678912 =</p>
  
  <p>0123456789      12</p>
  
  <p>i can do this by using the substring method
  but i need to calculate further with the first 10 numbers
  so what i can do is cast the string back to an int 
  but i have no idea how to do it ..
  can anyone help me ?</p>
  
  <p>thanks in advance</p>