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

import java.util.*;
import java.util.regex.*;

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
	{
		Pattern p = Pattern.compile("[0-9]*\\.?[0-9]+");
        Matcher m = p.matcher("1.2+3.4*(3.2+2.3)-12.1/3.4*1.8+5.7");
        while (m.find()) {
           System.out.println(m.group());
        }
	}
}