asdasdsads.java

import java.util.Scanner;

class Main{

    public static void main(String args[]){
        Scanner tc = new Scanner(System.in);
        String p,s,t;
        String[] sa;
        while(tc.hasNextLine()){
            p = tc.nextLine(); sa = p.split(" ");
            s = sa[0]; t = sa[1];
            int j=0,i=0;
            while(i<t.length() && j<s.length()){
                if(t.charAt(i)==s.charAt(j)){ i++; j++; }
                else i++;
            }
            if(j==s.length()) System.out.println("Yes");
            else          System.out.println("No");
        }
    }

}