#include <iostream>
#include <vector>
#include <algorithm>
 
using namespace std;
 
auto convertStringVectortoDoubleVector(const std::vector<std::string>& stringVector) -> std::vector<double>
{
	std::vector<double> doubleVector(stringVector.size());
	std::transform(stringVector.begin(), 
				stringVector.end(), 
				doubleVector.begin(), 
				[](const std::string& val) {
					return stod(val);
				});
	return doubleVector;
} 
 
int main() {
	std::vector<std::string> data;
	string s;
 
	while (cin>>s) {
		data.push_back(s);
	}
 
	auto result = convertStringVectortoDoubleVector(data);
 
	for (auto x : result) {
		cout << x << endl;
	}
	return 0;
}

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