/*
   filename:         sum.java
   description:      gets integers from file and sums the odd and even
   author:           Kalin Ringkvist, k.rainquist@comcast.net
   version:          1.00 2004-01-30
*/

//import the package so we can use the BufferedReader and util contains stringTokenizer
   import java.io.*;
   import java.util.*;
   import java.text.*;
   public class sum
   {
      public static void main(String[] args) throws IOException
      {

/*declare variables and the BufferedReader class*/
   BufferedReader inFile = new BufferedReader(new FileReader("numbers.txt"));

  String inputLine = inFile.readLine();
   int number;
   int oddSum = 0;
   int evenSum = 0;

//read line from file as a tokenizer string
   StringTokenizer tokenizer = new StringTokenizer(inputLine);


/*Take integer from tokenizer, test for even or odd, and add to the appropriate type. Loop through
all numbers*/
   while(tokenizer.hasMoreTokens())
   {
      number = Integer.parseInt(tokenizer.nextToken());

      if(number % 2 == 0)
         evenSum = evenSum + number;
      else
         oddSum = oddSum + number;

//check if you've reached end of tokens. if so, declare tokenizer as the next line in the file
      if(!tokenizer.hasMoreTokens())
      {
        inputLine = inFile.readLine();  //enter next line from file
        if(inputLine == null)          //if there is no line, break from "while" statement
            break;
        tokenizer = new StringTokenizer(inputLine); //tokenize next line in file
      }

    }

//print results of the loop to the screen.
   System.out.println("The sum of the odds is: " + oddSum
      + ". And the sum of the evens is: " + evenSum + ".");

   	}
   }