/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		System.out.println(autocasas(5.0/7.0));
		System.out.println(autocasas(5.0/2.0));
		System.out.println(autocasas(123));
		System.out.println(autocasas(-1.0/50.0));
	}
	
	static String autocasas(double numero)
	{
		return String.valueOf(numero).replaceAll("(\\.?0+|\\.)$","");
	}
}