#include <iostream>
#include <string>
#include <sstream>
 
int main() {
  int num1, num2;
  std::string line("5 6");
  std::stringstream ss(line);
  ss >> num1 >> num2;
  std::cout << "num1 is " << num1 << " and num2 is " << num2 << std::endl;
  return 0;
}