#include <fstream>
#include <iostream>
#include <algorithm>
 
int main()
{
	// std::ifstream ifstr("YourFile.txt");
	// std::istream & istr = ifstr;
 
	std::istream & istr = std::cin;
 
	std::vector<std::pair<double, double>> vec;
 
	double a, b;
	char comma;
 
	while ( istr >> a >> comma >> b )
	{
		if ( comma == ',' )
			vec.emplace_back(a, b);
	}
 
	std::for_each(std::begin(vec), std::end(vec), [](std::pair<double, double> const& x){ std::cout << x.first << " -> " << x.second << std::endl;});
 
	return 0;
}

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

MCwgMC4zMjQ1CjAsIDAuNTU2NgowLCAwLjk1OTgKMSwgMC4wOTQ1CjEsIDAuODc0OAoxLCAwLjg3ODkKdW5kZWYsIHVuZGVmCjIsIDAuMDM1CjIsIDAuOTU0NSA=

0, 0.3245
0, 0.5566
0, 0.9598
1, 0.0945
1, 0.8748
1, 0.8789
undef, undef
2, 0.035
2, 0.9545