#include <iostream>
#include <cstdlib>
#include <vector>
using namespace std;

pair<vector<int>::iterator, vector<int>::iterator> foo(){
    vector<int> v;
    int el;
    cin >> el;
    while (el){
        v.push_back(el);
        cin >> el;
    }
    //for (vector<int>::iterator i = v.begin(); i != v.end(); i++) cout << *i << endl;
    return make_pair(v.begin(), v.end());
}

int main()
{
    pair<vector<int>::iterator, vector<int>::iterator> p;
    p = foo();
    for (vector<int>::iterator i = p.first; i != p.second; i++) cout << *i << ' ';
    return 0;
}