//

//  1010 A + B.cpp

//  Jobdu

//

//  Created by PengFei_Zheng on 28/04/2017.

//  Copyright © 2017 PengFei_Zheng. All rights reserved.

//

#include <stdio.h>

#include <iostream>

#include <algorithm>

#include <cstring>

#include <string.h>

#include <cmath>

#include <vector>

using namespace std;

#include <stdio.h>

#include <string.h>

char arr[][] = { "zero","one","two","three","four","five","six","seven","eight","nine"};

int find(char* str) {

    int i;

    for (i = ; i < ; i++) {

        if (strcmp(arr[i], str) == )

            return i;

    }

    return ;

}

int main() {

    char temp[];

    while (scanf("%s", temp) != EOF) {

        int a = find(temp);

        scanf("%s", temp);

        if (temp[] != '+') {

            a = a *  + find(temp);

            scanf("%s", temp);

        }

        scanf("%s", temp);

        int b = find(temp);

        scanf("%s", temp);

        if (temp[] != '=') {

            b = b *  + find(temp);

            scanf("%s", temp);

        }

        if(a== && b==)

            break;

        printf("%d\n", a + b);

    }

    return ;

}

/**************************************************************

    Problem: 1010

    User: zpfbuaa

    Language: C++

    Result: Accepted

    Time:0 ms

    Memory:1520 kb

****************************************************************/