11721.java

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc  = new Scanner(System.in);
		String n = sc.next();
		char[] arrChar = n.toCharArray();
		
		for (int i = 0; i < arrChar.length; i++) {
			if(i != 0 && i%10 == 0) {
				System.out.println("");
			}
			System.out.print(arrChar[i]);
		}
	}
}