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

import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

/* 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
	{
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		System.out.println(replace(reader.readLine(), reader.readLine(), reader.readLine()));
	}
	
	static String replace(String source, String from, String to) {
        Matcher matcher = Pattern.compile(from).matcher(source);

        matcher.reset();
        boolean result = matcher.find();
        if (result) {
            StringBuffer sb = new StringBuffer();
            do {
            	System.out.println(matcher.group()+" menyaem na "+to);
                matcher.appendReplacement(sb, to);
                result = matcher.find();
            } while (result);
            matcher.appendTail(sb);
            return sb.toString();
        }
        return source;
    }
}