#include<iostream>
#include<sstream>
using namespace std;
int main(){
    string s,w,arr[10];
    getline(cin,s);
    
    if(s.find('_')!=string::npos){
        cout<<"Invalid input";
        return 0;
    }
    
    stringstream ss(s);
    while(ss >> w){
        for(char c : w)
         if(isdigit(c),1);
         arr[ c - '0']=w;
         break;
    }
}
    bool first = true;
    for(int i = 0; i < 10; i++)
     if(arr[i] != ""){
         if(!first) cout << " ";
         cout << arr[i];
         first = false;
     }
     return 0;
}