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

int main()
{
	std::string str("5.5 8.7 6.9");
	
	std::stringstream stream(str);
	
	float a,b,c;
	
	stream >> a >> b >> c;
	
	std::cout << a << '\n'
	          << b << '\n'
	          << c << '\n';
}