#include <iostream>
#include <iterator>
#include <vector>
#include <algorithm>
#include <sstream>
 
using namespace std;
 
int main() {
	std::vector<int> vec;
 
    std::string line;
    if(!std::getline(std::cin, line)) return 1;
    std::istringstream iss(line);
 
    std::copy(std::istream_iterator<int>(iss),
	    std::istream_iterator<int>(),
	    std::back_inserter(vec));
 
	std::copy(vec.begin(), vec.end(), std::ostream_iterator<int>(std::cout, ", "));
 
	return 0;
}

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