김지환

import java.util.LinkedList;
import java.util.Queue;
import java.util.Scanner;

public class exam34 {
 
 //교육과정 설계
 public static void main(String[] args) {
 Scanner scan = new Scanner(System.in);

 String a = scan.next();
 String b = scan.next();
 
 String answer = "Yes";
 
 Queue<Character> q = new LinkedList<Character>();
 
 for(char x : a.toCharArray()) {
 q.offer(x);
 }
 
 //이거 오류있음(질문남겼으니 확인해보자)
 for(char x: b.toCharArray()) {
 if(x==q.peek()) {&nbsp;
 q.poll();
 }
 
 }
 
 if(!q.isEmpty()) answer = "NO";
 
 System.out.println(answer);
 
 }
 }