Subsequence

import java.util.Scanner;

public class Subsequence {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        String key = input.nextLine();
        String code = input.nextLine();
        if(key.length()>code.length()){
            System.out.println(false);
        }
        else if(key.length()!=0){
            findKey(0, key, code, 0);
        }



    }

    private static void findKey(int index, String key, String code, int codeIndex) {
        StringBuilder sb = new StringBuilder();
        if (key.length() == index && codeIndex < code.length()) {
            System.out.println(true);
            return;
        }
        for (int i = codeIndex; i < code.length(); i++) {
            if (key.charAt(index) == code.charAt(i)) {
                codeIndex = i;
                sb.append(key.charAt(index));
                findKey(index + 1, key, code, codeIndex);
                return;
            }

        }
        System.out.println(false);
        return;
    }
}