#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int GetIsPass(char* strFirstIndex,char cOperation,char* strSecondIndex,char* strResult)
{
    int i,j,k;
    char* strNumber[11] = {"zero","one","two","three","four","five","six","seven","eight","nine","ten"};
    int nNumber[11] = {0,1,2,3,4,5,6,7,8,9,10};
    int nFirstIndex = -1;
    int nSecondIndex = -1;
    int nResult = -1;
    int nResultLength = -1;
    char temp;
    for(i = 0;i < sizeof(strNumber)/4;i++)
    {
        if(strstr(strFirstIndex,strNumber[i])!=NULL)
        {
            nFirstIndex = i;
        }

        if(strstr(strSecondIndex,strNumber[i])!=NULL)
        {
            nSecondIndex = i;
        }
    }

    if(cOperation == '+')
    {
        nResult = nFirstIndex + nSecondIndex;
    }else if(cOperation == '*')
    {
        nResult = nFirstIndex * nSecondIndex;
    }else
    {
        nResult = nFirstIndex - nSecondIndex;
    }

    if(nResult<0 || nResult>10)
        return 0;
    if(strlen(strNumber[nResult])!=strlen(strResult))
        return 0;

    nResultLength = strlen(strNumber[nResult]);
    for(i = 0;i<nResultLength;i++)
    {
        for(j=0;j<nResultLength;j++)
        {
            if(strNumber[nResult][i]==strResult[j])
            {
                temp = strResult[j];
                strResult[j] = strResult[i];
                strResult[i] = temp;
            }
        }
    }

    if(strcmp(strNumber[nResult],strResult)==0)
        return 1;
    else 
        return 0;
}

int main()
{
    int i = -1;
    char cOperation;
    char strFirstIndex[6];
    char strSecondIndex[6];
    char strResult[11];
    int nTestCase = -1;
    int* nResult;
    int test = sizeof(strFirstIndex);
    memset(strFirstIndex,0,sizeof(strFirstIndex));
    memset(strSecondIndex,0,sizeof(strSecondIndex));
    memset(strResult,0,sizeof(strResult));
    scanf("%d",&nTestCase);
    nResult = (int*)malloc(sizeof(int)*nTestCase);
    for(i = 0;i<nTestCase;i++)
    {
        scanf("%s %c %s = %s",strFirstIndex,&cOperation,strSecondIndex,strResult);
        nResult[i] = GetIsPass(strFirstIndex,cOperation,strSecondIndex,strResult);
    }

    for(i = 0;i<nTestCase;i++)
    {
        if(nResult[i])
        {
            printf("Yes");
        }else
        {
            printf("No");
        }       
    }
    free(nResult);
    return 0;
}