import java.util.ArrayList;
import java.util.HashMap;
import java.util.Scanner;

public class Main{
    public static String[] num= {"zero","one","two","three","four","five","six","seven","eight","nine"};
    public static ArrayList<Integer> nums = new ArrayList<Integer>();
    public static HashMap map = new HashMap();
    public static void fun(String str){
        if("".equals(str)){
            for(int i = 0;i<nums.size();++i){
                System.out.print(nums.get(i));
            }
            System.exit(0);
        }else{
            for(int i = 0;i<=9;++i){
                nums.add(i);
                String string = "";
                
                if(map.containsKey(num[i])){
                    string = "false";
                }else{
                    string = fun1(str, num[i]);
                }
                
                if(!"false".equals(string)){
                    fun(string);
                    nums.remove(nums.size()-1);
                }else{
                    map.put(num[i], "false");
                    nums.remove(nums.size()-1);
                }
            }
        }

    }
    /**
     * 判断Str中有无num的拼写,若有，则在Str中删除num的字符，且返回剩下的字符，若无，返回false
     * @param str
     * @param num
     * @return
     */
    public static String fun1(String str,String num){
        ArrayList<Integer> index = new ArrayList<Integer>();
        for(int i = 0;i<num.length();++i){
            boolean flag = false;
            for(int j = 0;j<str.length();++j){
                if(num.charAt(i) == str.charAt(j)){
                    if(!index.contains(j)){
                        flag = true;
                        index.add(j);
                        break;
                    }
                }
            }
            if(!flag){
                index = null;
                break;
            }
        }
        if(index != null && index.size()!=0){
            return fun2(str, index);
        }
        return "false";
    }
    /**
     * 删除str中的num，返回剩余的字符串
     * @param str
     * @param index
     * @return
     */
    public static String fun2(String str,ArrayList<Integer> index){
        String newStr = "";
        for(int i = 0;i<str.length();++i){
            if(!index.contains(i)){
                newStr += str.charAt(i);
            }
        }
        return newStr;
    }
    
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String line = sc.nextLine();
        fun(line.toLowerCase());
    }
}