#include <iostream>
#include <string>
#include <sstream>
 
class token : public std::string {};
 
std::istream& operator>>(std::istream &in, token &out)
{
    out.clear();
    if (std::getline(in >> std::ws, out, ','))
        out.erase(out.find_last_not_of(" \t\r\n") + 1);
    return in;
}
 
int main() {
    std::string line;
    token tok;
    while (std::getline(std::cin, line)) {
        std::istringstream iss(line);
        while (iss >> tok) {
            std::cout << tok << std::endl;
        }
    }
	return 0;
}

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chicken, for sale, 60
microwave, wanted, 201