#include <iostream>
#include <iostream>
#include <locale>
 
template<typename T> class ThousandsSeparator : public std::numpunct<T> {
public:
    ThousandsSeparator(T Separator) : m_Separator(Separator) {}
 
protected:
    T do_thousands_sep() const override { return m_Separator; }
 
	std::string do_grouping() const override { return "\03"; }
 
private:
    T m_Separator;
};
 
int main(int argc, char **argv) {
	ThousandsSeparator<char> facet(',');
    std::cin.imbue(std::locale(std::cin.getloc(), &facet));
    int n;
    std::cin >> n;
    std::cout << n << "\n";
}
 

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