/* 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
	{
	Scanner scanner = new Scanner(System.in);
        String str = scanner.nextLine();
        char ch = scanner.next().charAt(0);
        String result = deleteCharacter(str, ch);
        System.out.println("" + result);
    }
 
    private static String deleteCharacter(String str, char ch) {
        StringBuilder stringBuilder = new StringBuilder();
        for (int i = 0; i < str.length(); i++) {
            if (str.charAt(i) != ch) {
                stringBuilder.append(str.charAt(i));
            }
        }
        return stringBuilder.toString();
    }
	}

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c3R1ZGVudAp1

student
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