#include <iostream>
#include <sstream>
#include <string>
 
int main()
{
	std::string input = "{ \"x\": 10,\r\n \"y\": 20 }\r\n\r\n";
    std::istringstream iss(input);
    std::string line;
    std::ostringstream oss;
 
    while (std::getline(iss, line)) {
        while (line.size() > 0 && (line.back() == '\r' || line.back() == '\n'))
            line.pop_back();
 
        if (line.empty())
            break;
 
        oss << line;
    }
 
	std::cout << "message to execute: [" << oss.str() << "]" << std::endl;
}

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