#include <vector>
#include <iostream>
#include <sstream>
#include <algorithm>
#include <iterator>
 
static void display(const std::vector<int>& v)
{
    std::copy(v.begin(), v.end(), std::ostream_iterator<int>(std::cout, ",\t"));
    std::cout << std::endl;
}
 
int main()
{
    std::vector<std::vector<int> > vectors;
 
    std::string s;
    while (std::getline(std::cin, s))
    {
        std::istringstream iss(s);
        vectors.push_back(std::vector<int>());
        std::copy(std::istream_iterator<int>(iss), std::istream_iterator<int>(), std::back_inserter(vectors.back()));
    }
 
    std::for_each(vectors.begin(), vectors.end(), display);
    return 0;
}
 

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