import java.io.*;
import java.util.Scanner;

public class File02
{
   public static void main(String[] args)  throws IOException
   {
      File myFile = new File("inp2");     // Open file "inp2"
      Scanner in = new Scanner(myFile);   // Make Scanner obj with opened file

      double x;        // Variable to receive a floating point number
      double sum;      // Running sum

      sum = 0.0;       // Initialize ("clear the slate")
 
      while ( in.hasNextDouble() )
      {
         x = in.nextDouble();      // Read a floating point number
         sum = sum + x;            // Add to running total
      }

      System.out.println("Sum = " + sum);
   }
}