import java.util.*;

public class ScannerExample {
   public static void main(String[] args) {
      Scanner console = new Scanner(System.in);
      double modified = math(console);
      System.out.println("Modified = " + modified);
   }
   
   // Here is where you comment on the method, and the parameters
   public static double math(Scanner console) {
      System.out.print("Please type in a double: ");
      double input = console.nextDouble();
      
      // if the number is greater than or equal to 100, round it
      // if the number is less than 100, subtract 10 from it
      if (input >= 100) {
         if (input >= 200) {
            input = input * 1000;
         } else {
            input = Math.round(input);
         }
      } else {
         input = input - 10;
      }
      
      if (input >= 200) {
         input = input * 1000;      
      } else if (input >= 100) {
         input = Math.round(input);
      } else { // input must be < 100
         input = input - 10;
      }
      
      if (false) {
      
      } else if (some other test) {
         
      }
      
      // more similar: 1 branch, or 0 branches
      if (true/false) {
         // do this line of code, whatever
      }
      
      if (true/false) {
         // some code
      } else if (true/false) {
         // some other code
      } else if (true/false) {
         // even more other code
      }
      
      // ends in else, exactly 1 branch
      if (true/false) {
         // some code
      } else {
         // some other code
      }
      

      
      return input;
   }
   
}