백준 11721

 

▶풀이방법1

import java.util.*;

public class Main(){
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		String str = sc.next();
		
		for(int i = 0; i < str.length(); i++) {
			System.out.print(str.charAt(i));
			if(i % 10 == 9) { //10번째 글자 출력하면 enter
				System.out.println();
			}
		}
	}
}