#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;
}
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