#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <search.h>
#define LEN 11

int compare(const void *cmp1, const void *cmp2)
{
    return strcmp((char *)cmp1, (char *)cmp2);
}

int word_to_num(char *operand)
{
    int num;

    switch (operand[0])
    {
    case 'z': // zero
        num = 0;
        break;
    case 'o': // one
        num = 1;
        break;
    case 't': // two, three, ten
        if (operand[1] == 'w') num = 2;
        else if (operand[1] == 'h') num = 3;
        else num = 10;
        break;
    case 'f': // four, five
        if (operand[1] == 'o') num = 4;
        else num = 5;
        break;
    case 's': // six, seven
        if (operand[1] == 'i') num = 6;
        else num = 7;
        break;
    case 'e': // eight
        num = 8;
        break;
    case 'n': // nine
        num = 9;
        break;  
    }

    return num;
}

int calc(int num1, int num2, char *oprator)
{
    switch (oprator[0])
    {
        case '+': return (num1 + num2);
        case '-': return (num1 - num2);
        case '*': return (num1 * num2);
    }   
}

int checkup(int res, char *answer)
{   
    char crt_word[5] = "";
    char usr_word[LEN] = "";

    if (res < 0 || res > 10) return 0;
    strcpy(usr_word, answer);
    qsort(usr_word, strlen(usr_word), sizeof(char), compare);

    switch (res)
    {
    case 0: 
        strcpy(crt_word, "eorz");
        if ((strncmp(crt_word, usr_word, 4)) == 0) return 1;
        break;
    case 1: 
        strcpy(crt_word, "eno");
        if ((strncmp(crt_word, usr_word, 3)) == 0) return 1;
        break;
    case 2: 
        strcpy(crt_word, "otw");
        if ((strncmp(crt_word, usr_word, 3)) == 0) return 1;        
        break;
    case 3: 
        strcpy(crt_word, "eehrt");
        if ((strncmp(crt_word, usr_word, 5)) == 0) return 1;
        break;
    case 4: 
        strcpy(crt_word, "foru");
        if ((strncmp(crt_word, usr_word, 4)) == 0) return 1;
        break;
    case 5: 
        strcpy(crt_word, "efiv");
        if ((strncmp(crt_word, usr_word, 4)) == 0) return 1;
        break;
    case 6: 
        strcpy(crt_word, "isx");
        if ((strncmp(crt_word, usr_word, 3)) == 0) return 1;
        break;
    case 7: 
        strcpy(crt_word, "eensv");
        if ((strncmp(crt_word, usr_word, 5)) == 0) return 1;
        break;
    case 8: 
        strcpy(crt_word, "eghit");
        if ((strncmp(crt_word, usr_word, 5)) == 0) return 1;
        break;
    case 9: 
        strcpy(crt_word, "einn");
        if ((strncmp(crt_word, usr_word, 4)) == 0) return 1;
        break;
    case 10: 
        strcpy(crt_word, "ent");
        if ((strncmp(crt_word, usr_word, 3)) == 0) return 1;
        break;
    }

    return 0;
}

int main()
{
    char oprand1[LEN] = "";
    char oprand2[LEN] = "";
    char answer[LEN] = "";
    char oprator[2] = "";
    int res;
    int testcase;

    scanf("%d", &testcase);
    while (testcase--)
    {
        scanf("%s %s %s = %s", oprand1, oprator, oprand2, answer);
        res = calc(word_to_num(oprand1), word_to_num(oprand2), oprator);

        if (checkup(res, answer)) printf("Yes\n");
        else printf("No\n");
    }

    return 0;
}