#include <iostream>
#include <sstream>
#include <iomanip>
using namespace std;
int main()
{
while( true )
{
double d;
cin >> d;
std::ostringstream os;
os << std::fixed << std::setprecision( 3 );
os << d;
cout << os.str() << endl;
}
}
1
1.000
2.2
2.200
3.33
3.330
4.444
4.444
5.5555
5.556
