title: Value sorting from text file
body: <p>i have text file as following format</p>
  
  <blockquote>
    <p>A00 B45 C67<br>
    A00 B87 C89<br>
    A00 B35 C65<br>
    A00 B23 C87  </p>
  </blockquote>
  
  <p>HOW TO FIND MINIMUM , MAXIMUM VALUE OF B AND C</p>