import java.util.Scanner;

public class Test {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        sc.useDelimiter(",");
        while (sc.hasNext()) {
            System.out.println(sc.next());
        }
        sc.close();
    }
}

        Scanner sc = new Scanner(System.in);
        String s = sc.nextLine();
        Scanner Scanner = new Scanner(s);
        Scanner.useDelimiter(",");
        while(Scanner.hasNext()) {
            System.out.println(Scanner.next());
        }