#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;
}
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