暴力截断

#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;
const string num[10]={"zero","one","two","three","four","five","six","seven","eight","nine"};
int getnum(string s){
    for(int i=0;i<10;i++){
        if(s==num[i]) return i;
    }
    return -1;
}
int input(){
    int res=0;
    string s;
    while(cin>>s&&s!="+"&&s!="="){
        res=res*10+getnum(s);
    }
    return res;
}
int main(){
    while(1){
        int a=input(),b=input();
        if(a+b>0) cout<<a+b<<endl;
        else break;
    }
    return 0;
}