Кирилл Деменев

package com.company;

import java.util.Scanner;
import java.util.Random;

public class Main {
    public static String[] everything(String smth) {
        smth = smth.substring(1,smth.length() - 1);
        String[] arr = smth.split(",");
        return arr;
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String str = in.nextLine();
        for (String i: everything(str)) {
            System.out.println(i);
        }
    }
}