学步园

/*

无聊水了一题

只怪自己太水，水题也花了好久时间；

*/

#include <iostream>
#include <cstdio>
#include <cstring>
#include <algorithm>
#include <cmath>
#include <string>
#include <iomanip>
using namespace std;

int change(char *s)
{
	if(!strcmp(s,"one"))
		return 1;
	if(!strcmp(s,"two"))
		return 2;
	if(!strcmp(s,"three"))
		return 3;
	if(!strcmp(s,"four"))
		return 4;
	if(!strcmp(s,"five"))
		return 5;
	if(!strcmp(s,"six"))
		return 6;
	if(!strcmp(s,"seven"))
		return 7;
	if(!strcmp(s,"eight"))
		return 8;
	if(!strcmp(s,"zero"))
		return 0;
	if(!strcmp(s,"nine"))
		return 9;
	cout<<"error"<<endl;
	return -111111;
}
char s[30];

int main(int argc, char *argv[])
{
	while(gets(s))
	{
		if(!strcmp(s,"zero + zero ="))
			return 0;
		char str[7];
		int num[2]={0,0};
		int sum = 0,p = 0,n = 0,a=1;
		for(int i = 0; i < strlen(s); i++)
		{
			if(s[i]==' '&&s[i-1]!='+')
			{
				int k = 0;
				
				for(int j = p; j < i; j++)
				{
					str[k++] = s[j];
				}
				str[k] = '\0';
				num[n] = num[n]*10+change(str);
				p = i+1;
			}
			else
			if(s[i]=='+')
			{
				a=1;
				n++;
				p = i+2;
			}
			else
			if(s[i]=='=')
				cout<<num[0]+num[1]<<endl;
		}
	}
	return 0;
}