import java.io.*;

public class bj_yuizumi {
	private static int score(String line) {
		boolean isSoft = false;
		int pts = 0;

		for(int i = 0; i < 10; i++) {
			char card = line.charAt(i * 2);

			switch(card) {
			case 'A':
				pts += isSoft ? 1 : 11;
				isSoft = true;
				break;
			case 'T':
			case 'J':
			case 'Q':
			case 'K':
				pts += 10;
				break;
			default:
				pts += card - '0';
				break;
			}

			if(isSoft && pts > 21) {
				isSoft = false;
				pts -= 10;
			}

			if(pts > 17 || (pts == 17 && !isSoft)) {
				if(pts > 21) return 0;
				if(pts == 21 && i < 2) return 22;
				return pts;
			}
		}

		throw new IllegalStateException();
	}

	public static void main(String[] args) throws Exception {
		BufferedReader br = null;
		try {
			br = new BufferedReader(new InputStreamReader(System.in));
			int n = Integer.parseInt(br.readLine());

			for(int i = 0; i < n; i++) {
				String line1 = br.readLine();
				String line2 = br.readLine();

				int pts = score(line1 + " " + line2);

				switch(pts) {
				case 22:
					System.out.println("blackjack");
					break;
				case 0:
					System.out.println("bust");
					break;
				default:
					System.out.println(pts);
					break;
				}
			}
		}
		finally {
			if(br != null) br.close();
		}
	}
}