#include <iostream>
#include <vector>

using namespace std;


int main() {
    while(cin) {
	string slovo;
	cin >> slovo;
//	cout << slovo << endl;
	if (slovo==".") return 0;
	vector<string> veta1;
	vector<string> veta2;
	while (slovo != ".") {
	    veta1.push_back(slovo);
	    cin >> slovo;
//	cout << "A "<<slovo<<endl;
	}	
	    cin >> slovo;
//	cout <<"B "<< slovo<<endl;
	while (slovo != ".") {
	    veta2.push_back(slovo);
	    cin >> slovo;
//	cout <<"B "<< slovo<<endl;
	}	
	
	int i=0,j=0;
	vector<string> tmp;
	if (veta1.size() < veta2.size()) {
	    tmp = veta1;
	    veta1 = veta2;
	    veta2 = tmp;
	}
	while (i<veta1.size()) {
	    int x = 0;
	    for (x=j; x < veta2.size(); x++) {
		if (veta2[x] == veta1[i]) break;
	    }
	    if (x==veta2.size()) {
		cout << veta1[i] << " ";
	    } else {
	        for (int y = j; y <= x; y++) {
    			cout << veta2[y]<< " ";
			j++;
		    }
		}
	    i++;
	    if (i==veta1.size()) {
	        for (int y = j; y < veta2.size(); y++) {
    			cout << veta2[y]<< " ";
			j++;
		    }
	    
	    }
	}
	cout << "." << endl;
    }    
    return 0;
}