import java.util.*;

public class ZiFu {

	public static void main(String args[]){

		 System.out.println("请输入你要截取的字符串：");

		  Scanner scan=new Scanner(System.in);

		  String word=scan.next();

	        System.out.println(word+"的首位字符为"+word.substring(0,1));

	        System.out.println(word+"的末尾字符为"+word.substring(word.length()-1));

	}

}