import java.util.Scanner;
import java.util.Arrays;

class Operate {
    String op[];
    String numbers[] = {"zero","one","two","three","four","five","six","seven","eight","nine","ten"};

    public boolean arith(){
        int result=0;
        int a,b;

        for(a=0;!numbers[a].equals(op[0]);a++);
        for(b=0;!numbers[b].equals(op[2]);b++);

        switch (op[1]) {
        case "+":
            result = a + b;
            break;
        case "-":
            result = a - b;
            break;
        case "*":
            result = a * b;
            break;
        }
        if(result > 10){
            return false;
        } else {
            return (sort(numbers[result]).equals(sort(op[4])))? true : false;
        }
    }
    public String sort (String text){
        char textarray[] = text.toCharArray();
        Arrays.sort(textarray);
        text = new String(textarray);
        return text;
    }
}

public class Main {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        Scanner input = new Scanner(System.in);
        int n = Integer.parseInt(input.nextLine());
        Operate oper=new Operate();

        while(n-- > 0){
            oper.op = input.nextLine().split(" ");

            System.out.println((oper.arith())? "Yes" : "No");
        }
    }

}

RTE (nonzero return code)