C :

#include "stdio.h"
#include "string.h"
char strnum[10][10]={"zero","one","two","three","four","five","six","seven","eight","nine"};
int getnum(char str[]){
	int i;
	for(i=0;i<10;i++){
	if(!strcmp(strnum[i],str))//strcmp两字符串相等是为0
	  return i;
	}
	return 0;
	}
int main()
{
	char str[100];
	while(scanf("%s",str)!=EOF){
		int a=0;
		int b=0;
		while(strcmp(str,"+")){
			a=a*10+getnum(str);
			scanf("%s",str);}
		while(strcmp(str,"=")){
			
			b=b*10+getnum(str);
			scanf("%s",str);}
		if(!a&&!b)
		break;
		printf("%d\n",a+b);
		
		
		
		}
	
	return 0;
    
}

C++ :

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

char strNum[10][10] = {"zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"};

int GetNum(char str[]){
    for(int i=0; i<10; i++){
        if(!strcmp(str, strNum[i])){
            return i;
        }
    }
    return 0;
}

int main(){
    char str[100];
    while(scanf("%s", str) != EOF){
        int a = 0;
        int b = 0;
        while(strcmp(str, "+")){
            a = a*10 + GetNum(str);
            scanf("%s", str);
        }
        while(strcmp(str, "=")){
            b = b*10 + GetNum(str);
            scanf("%s", str);
        }
        if(!a && !b){
            break;
        }
        printf("%d\n", a+b);
    }

    return 0;
}

Pascal :

var st,st1,sta,st2,st3:string;
    a,b,sum,p,p2:longint;

begin
   while not eof do
     begin
       readln(st);
       st:=st+' ';
       sta:='';
       while st<>'' do
         begin
          p:=pos(' ',st);
          st1:=copy(st,1,p-1);
          if st1='one' then sta:=sta+'1';
          if st1='two' then sta:=sta+'2';
          if st1='three' then sta:=sta+'3';
          if st1='four' then sta:=sta+'4';
          if st1='five' then sta:=sta+'5';
          if st1='six' then sta:=sta+'6';
          if st1='seven' then sta:=sta+'7';
          if st1='eight' then sta:=sta+'8';
          if st1='nine' then sta:=sta+'9';
          if st1='zero' then sta:=sta+'0';
          if st1='+' then sta:=sta+'+';
          if st1='='then sta:=sta+'=';
          delete(st,1,p);
         end;

         p:=pos('+',sta);
         st2:=copy(sta,1,p-1);
         val(st2,a);
         p2:=pos('=',sta);
         st3:=copy(sta,p+1,p2-p-1);
         val(st3,b);
         sum:=a+b;
         if (a<>0) and (b<>0) then writeln(sum);
      end;
end.

Java :

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scanner=new Scanner(System.in);
		while(scanner.hasNext())
		{
			String temp=scanner.nextLine();
			calculate(temp);
		}
		

	}

	private static void calculate(String temp) {
		String buffer[]=temp.split(" ");
		if(buffer.length==4)
		{   int r=translate(buffer[0])+translate(buffer[2]);
		    if(r!=0)
			System.out.println(r);
		}
        else if (buffer.length==6) {
        	System.out.println(translate(buffer[0])*10+translate(buffer[1])+translate(buffer[3])*10+translate(buffer[4]));
		}
		else if (buffer.length==5) {
			if(buffer[2].equals("+"))
			{
				System.out.println(translate(buffer[0])*10+translate(buffer[1])+translate(buffer[3]));
			}
			else if (buffer[1].equals("+")) {
				System.out.println(translate(buffer[0])+translate(buffer[2])*10+translate(buffer[3]));
			}
		}
	}

	private static int translate(String string) {

		switch (string) {
		case "zero":
	        return 0;
		case "one":
	        return 1;
		case "two":
	        return 2;
		case "three":
	        return 3;	        
		case "four":
	        return 4;
		case "five":
	        return 5;
		case "six":
	        return 6;        
		case "seven":
	        return 7;
		case "eight":
	        return 8;
		case "nine":
	        return 9;
		}
		return -1;
	}

}

Python :

#!/usr/bin/env python
# -- coding: utf-8 --

num_lists = {
    'zero'  : 0,
    'one'   : 1,
    'two'   : 2,
    'three' : 3,
    'four'  : 4,
    'five'  : 5,
    'six'   : 6,
    'seven' : 7,
    'eight' : 8,
    'nine'  : 9,
    }


iszero = False  # 当 zero + zero 时，停止

while not iszero:

    line = raw_input()
    chars = line.split()

    if chars[1] == '+' and chars[3] == '=':
        a = num_lists[chars[0]]
        b = num_lists[chars[2]]
    elif chars[1] == '+' and chars[4] == '=':
        a = num_lists[chars[0]]
        b = num_lists[chars[2]] * 10 + num_lists[chars[3]]
    elif chars[2] == '+' and chars[4] == '=':
        a = num_lists[chars[0]] * 10 + num_lists[chars[1]]
        b = num_lists[chars[3]]
    elif chars[2] == '+' and chars[5] == '=':
        a = num_lists[chars[0]] * 10 + num_lists[chars[1]]
        b = num_lists[chars[3]] * 10 + num_lists[chars[4]]
    else:
        print "input error!"

    if chars[0] == 'zero' and chars[2] == 'zero':
        iszero = True
    else:
        print a + b