#include <iostream>
#include <algorithm>
#include <iterator>
#include <vector>
 
 
int main() {
   std::vector<int> vector((std::istream_iterator<int>(std::cin)), std::istream_iterator<int>());
 
   std::vector<int> result(vector);
   std::sort(result.begin(), result.end());
   result.erase(std::unique(result.begin(), result.end()), result.end());
 
   std::copy(result.begin(), result.end(), std::ostream_iterator<int>(std::cout, " "));
   std::cout << std::endl;
}

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NCA2NiA4NzMgIC01NiA3NjcgMjMgLTQgIDQgNCA4NzMgNjY=

4 66 873  -56 767 23 -4  4 4 873 66