import java.io.*;
import java.util.*;
import java.lang.String;
public class Main
{
	public static void main(String args[]) throws Exception
	{
		Scanner cin=new Scanner(System.in);
		String s;
		int i;
		boolean left=true;
		char ch;
		while(cin.hasNext())
		{
			s=cin.nextLine();
			for(i=0;i<s.length();i++)
			{
				ch=s.charAt(i);
				if(ch!='\"') System.out.print(ch);
				else
				{
					if(left) System.out.print("``");
					else System.out.print("''");
					left=!left;
				}
			}
			System.out.println();
		}
	}
}