# include<stdio.h>
 #include<iostream>
 # include<queue>
 # include<math.h>
 # include<stack>
 using namespace std;
 int sum=0;
 queue<char> s1;
 int zhen(string sa)
 {
 	if(sa=="zero")
 	return 0;
 	else if(sa=="one")
 	return 1;
 	else if(sa=="two")
 	return 2;
 	else if(sa=="three")
 	return 3;
 	else if(sa=="four")
 	return 4;
 	else if(sa=="five")
 	return 5;
 	else if(sa=="six")
 	return 6;
 	else if(sa=="seven")
 	return 7;
 	else if(sa=="eight")
 	return 8;
 	else 
 	return 9;
 }
 void calc_sum(){
 	string sa;
 	stack<int> s2;
 	if(s1.front()==' ')
 	s1.pop();
 	while(!s1.empty())
 	{
 		 char c=s1.front();
 		 
 		 if(c!=' ')
 		 {
 		 	sa+=c;
 		 	
		  }
 		 else{
 		 	
 		 	s2.push(zhen(sa));
 		 	sa.clear();
 		 	
		  }
 		
 		s1.pop();
	 }
 	int cnt=0;
 	while(!s2.empty())
 	{
 		int t=s2.top();
 		sum+=pow(10,cnt)*t;
 		cnt++;
 		s2.pop();
 		
	 }
 	
 }
 int main(){
 	string s;
 	while(getline(cin,s))
 	{
 		for(int i=0;i<s.length();i++)
 		{
 		   if(s[i]!='+'&&s[i]!='=')
			{
				
				s1.push(s[i]);
				
			}	
			else{
				calc_sum();
				while(!s1.empty())
				{
					s1.pop();
				}
				
			}
 			
 			
		}
		    if(sum==0)
 			break;
 			printf("%d\n",sum);
 			
 			sum=0;
	 }
 	
 	
 	
 }