import java.nio.charset.StandardCharsets;

public class Main {
    public static void main(String[] args) {
        String originalString = "영수증";

        byte[] utf8Bytes = originalString.getBytes(StandardCharsets.UTF_8);

        String encodedString = new String(utf8Bytes, StandardCharsets.UTF_8);

        System.out.println("환불해주세요 이거" + encodedString);
    }
}