#include<iostream>
#include<string.h>
using namespace std;
int change(char *str)
{
    if (!strcmp(str, "zero"))   return 0;
    else if (!strcmp(str, "one"))   return 1;
    else if (!strcmp(str, "two"))   return 2;
    else if (!strcmp(str, "three")) return 3;
    else if (!strcmp(str, "four"))  return 4;
    else if (!strcmp(str, "five"))  return 5;
    else if (!strcmp(str, "six"))   return 6;
    else if (!strcmp(str, "seven")) return 7;
    else if (!strcmp(str, "eight")) return 8;
    else if (!strcmp(str, "nien"))  return 9;
    else if (!strcmp(str, "ten"))   return 10;
    else    return -1;
}
void rechange(int num, char *buff)
{
    if (num == 0)   strcpy(buff, "zero");
    else if (num == 1) strcpy(buff, "one");
    else if (num == 2) strcpy(buff, "two");
    else if (num == 3) strcpy(buff, "three");
    else if (num == 4) strcpy(buff, "four");
    else if (num == 5) strcpy(buff, "five");
    else if (num == 6) strcpy(buff, "six");
    else if (num == 7) strcpy(buff, "seven");
    else if (num == 8) strcpy(buff, "eight");
    else if (num == 9) strcpy(buff, "nine");
    else if (num == 10) strcpy(buff, "ten");
}
int calc(char *A, char opr, char *B)
{
    if (opr == '+') return change(A) + change(B);
    if (opr == '-') return change(A) - change(B);
    if (opr == '*') return change(A) * change(B);
}
bool alphabet(char *ans, char *C)
{
    int arr[2][26] = { 0, };
    for (int i = 0; i < strlen(ans); i++)
        arr[0][ans[i] - 'a']++;
    for (int i = 0; i < strlen(C); i++)
        arr[1][C[i] - 'a']++;
    for (int i = 0; i < 26; i++)
        if (arr[0][i] != arr[1][i])
            return false;
    return true;
}
int main()
{
    int t_case;
    cin >> t_case;
    while (t_case) {
        char A[7] = { 0, }, B[7] = { 0, }, C[11] = { 0, }, buff[11] = { 0, }, opr;
        cin >> A >> opr >> B >> buff >> C;
        int res = calc(A, opr, B);
        if (res < 0 || res > 10)
            cout << "No" << endl;
        else {
            rechange(res, buff);
            bool ch = alphabet(buff, C);
            if (ch)
                cout << "Yes" << endl;
            else
                cout << "No" << endl;
        }
        t_case--;
    }
    return 0;
}