package codeup100;

import java.util.Scanner;

import java.util.StringTokenizer;

public class c1023StringTokenizer {

public static void main(String[] args) {

Scanner sc = new Scanner(System.in);

String s = sc.next();

sc.close();

//split()사용

/*

String[] ss = s.split("");

for(int i=0; i<ss.length; i++){

System.out.println("'"+ss[i]+"'");

}*/

//StringTokenizer 사용

StringTokenizer st = new StringTokenizer(s,".");

while (st.hasMoreElements()) {

System.out.println(st.nextToken());

}

}

}