#include<iostream>
#include<string>
using namespace std;
int main(){
    string s;
    string word,arr[100];
    getline(cin,s);
    if(s.find('-') != string::npos){
        cout<<"Invalid input";
        return 0;
    }
    stringstream ss(s);
    while(ss >> word){
        for(int i=0;i<word.size();i++){
            if(isdigit(word[i])){
                int pos = word[i] -'0';
                word.erase(i,1);
                arr[pos]=word;
                break;
            }
        }
    }
    for(int i =0;i<100;i++){
        if(arr[i] !="")
        cout<<arr[i]<<" ";
    }
    return 0;
}