#include <iostream>
#include <sstream>
#include <string>

int main()
{
    std::istringstream in("1 45\n1 47\n");
    std::string line;
    while (std::getline(in, line))
    {
        std::istringstream nums(line);
        int i1, i2;
        if (nums >> i1 && nums >> i2)
        {
            std::cout << i1 << ", " << i2 << "\n";
        }
    }
    return 0;
}