#include <iostream>
#include <algorithm>
#include <vector>

using namespace std;

int main() {

    int i;
    vector<int> ted;
   

    while (cin >> i && i != 0) {
        ted.push_back(i);
    }

    sort(ted.begin(), ted.end());

   for (int i = 0; i < ted.size(); i++) {
    cout << ted[i] << " ";
}

    return 0;
}