CopyInt2.java

// CopyInt2.java -- read comma separated ints from the standard input stream

import java.util.Scanner;

/*
 *  System.in  (java.io.InputStream) is the standard input
 *  System.out (java.io.PrintStream) is the standard output
 */

public final class CopyInt2 {

   public static void main(final String[] args) {

      final Scanner stdin =
         new Scanner(System.in, "US-ASCII").useDelimiter("[\\s,]+");

      // Read from the standard input stream
      while (stdin.hasNextInt()) {
         final int n = stdin.nextInt(); // get the next int from input
         System.out.println(n);      // write the int to output
      }
   }
}