using System;
using static System.Console;
using static System.Math;
class main{
	public static int Main(string[] args){

	for(string line=In.ReadLine();line != null;line=In.ReadLine()){
		double x=double.Parse(line);
		Out.WriteLine($"{x: 0.00e+00;-0.00e+00}");
		}

	return 0;
	}//Main
}//main