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


public class SeparateByCommasFromFile {

	public static void main (String args[]) {
		try {
		Scanner scanner = new Scanner (new File(args[0]));
		while (scanner.hasNextLine()) {
			String line = scanner.nextLine();
			String[] tokens = line.split(", ");			
			for (int i = 0; i < tokens.length; i++) {
				System.out.println(tokens[i]);		
			}
		}	
		} catch (FileNotFoundException e) {
			System.err.println(e);
			System.exit(1);
		}
	}
}