import java.util.*; // for Scanner
import java.io.*;   // for File

// Reads in 5 doubles from an input file, printing each one out, and 
// printing out the sum of the 5 numbers after we've read all of them.
public class Echo {
   public static void main(String[] args) throws FileNotFoundException {
      Scanner input = new Scanner(new File("numbers.txt"));
      double sum = 0.0;
      
      // NOTE: this hardcoded 5 in the loop bound means that we are assuming
      //       that there are at least 5 numbers in the file, otherwise our
      //       program will crash
      for (int i = 1; i <= 5; i++) {
         double next = input.nextDouble();
         System.out.println("number = " + next);
         sum += next;      
      }
      
      double rounded = Math.round(sum * 10.0) / 10.0;
      System.out.println("Sum = " + rounded);
   }
}