title: How to put text between a number? (C)
body: <p>How do I insert text between a variable? Example: the interger is a = 1514 and I want to print it as 15:14. What should I do? </p>
  
  <p>I'm really sorry people, I've been thinking a lot about how would I ask this question and this was the only thing that came to my mind... Thanks in advance for any kind of help!</p>