import java.util.ArrayList;
import java.util.Arrays;
import java.util.Scanner;
import java.util.StringTokenizer;

public class Main {

    /**
     * @param args
     */
    public static void main(String[] args) {



// *  XHAENEUNG 
        Scanner sc = new Scanner(System.in);
        Scanner questionSc = new Scanner(System.in);

        ArrayList<String> arr = new ArrayList<>();
        String[] number = new String[] {"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten"};

        String question = "";

        int T = sc.nextInt();

        for(int i = 0;i < T; i++) {
            arr.add(questionSc.nextLine());
        }

        for(int x = 0;x < arr.size(); x++) {

            question = arr.get(x);

            String val1, val2;
            String cal;

            int num1 = 0, num2 = 0;
            int answer = 0;
            String inputAns = "";

            StringTokenizer st = new StringTokenizer(question, " ");

            val1 = st.nextToken();
            cal  = st.nextToken();
            val2 = st.nextToken();
            st.nextToken();
            inputAns = st.nextToken();

            for(int i = 0;i < number.length;i++) {

                if(val1.equals(number[i])) {
                    num1 = i;
                }

                if(val2.equals(number[i])) {
                    num2 = i;
                }
            }

            if(cal.equals("+")) {
                answer = num1 + num2;
            } else if(cal.equals("-")) {
                answer = num1 - num2;
            } else if(cal.equals("*")) {
                answer = num1 * num2;
            }

            if(inputAns.length() > 10) {
                System.out.println("No");
            } else if(answer < 0 || answer > 10) {
                System.out.println("No");
            } else {
                char[] arrA = inputAns.toCharArray();
                char[] arrB = number[answer].toCharArray();

                Arrays.sort(arrA);
                Arrays.sort(arrB);

                String A = new String(arrA);
                String B = new String(arrB);

                if(A.equals(B)) {
                    System.out.println("Yes");
                } else {
                    System.out.println("No");
                }
            }

        }


    }
}