use warnings;
use strict;

my $mComment = 0;
while(<>){
    if(m|//|){
        print "$&$'";
    } elsif ( (/\/\*\*?/ && ($mComment = 1)) || $mComment == 1){ 
#set $mComment to 1 if match
        s/^\s+//g; #remove beginning spaces
        print;
        $mComment = 0 if(m%\*\*?/%);
    }
}

import java.io.*;
import java.util.*;
import java.util.regex.Pattern;
import java.util.regex.Matcher;
public class Solution {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        Pattern single_pattern = Pattern.compile("//.*"); // "// +anything"
        Pattern multi_start_pattern = Pattern.compile("/\\*.*"); // "/* +anything"
        Pattern multi_end_pattern = Pattern.compile(".*\\*/"); // "anything+ */"
        Pattern multi_pattern = Pattern.compile("/\\*.*\\*/"); // "/* +anything+ */"
        boolean multi_flag = false; //Flag=true if /* is already found but */ not yet reached. 
        Matcher matcher;
        while(scanner.hasNextLine()){
            String line = scanner.nextLine();
            if (multi_flag)
            {   // If multiple comment already started, 
                // Print the entire line OR till end of multi-line comment
                matcher = multi_end_pattern.matcher(line);
                if (matcher.find())
                {   multi_flag=false; 
                    System.out.println(matcher.group().trim());
                }
                else    System.out.println(line.trim());
            }
            else
            {   // Check for start and end of Multi-line Comment in same line
                matcher = multi_pattern.matcher(line);
                if (matcher.find()) System.out.println(matcher.group().trim());
                else
                {   //Check for Start of Multi-Line Comment 
                    matcher = multi_start_pattern.matcher(line);
                    if (matcher.find()) 
                    {   multi_flag=true;
                        System.out.println(matcher.group().trim());
                    }
                    else
                    {   // Check for single line comment.  
                        matcher = single_pattern.matcher(line);
                        if (matcher.find()) System.out.println(matcher.group().trim());
                    }
                }
            }
        }
    }
}

const comments = input.match(/(\/\*.*?\*\/|\/\/.*?$)/gms);
console.log(comments.join("\n").replace(/^\s+/gms, ''));

import re, sys

print("\n".join(re.findall(r"//.*|/\*[\S\s]*?\*/", "\n".join([i.strip() for i in sys.stdin]))))

import re
import sys

code = sys.stdin.read()

is_comment = re.compile(r"//[^\n]*|/\*.+?\*/", flags=re.DOTALL)

[print(re.sub(r"\s{3,}", r"\n", comment)) for comment in is_comment.findall(code)]