#include <stdio.h>
int main()
{
	char str[100];
	char c;
	int k=0;
	while((str[k]=getchar())!='\n')
		k++;
	str[k]='\0';
	c=getchar();
	for(int i=0;str[i]!='\0';i++)
		if(str[i]!=c)
		printf("%c",str[i]);
	return 0;
}

/**************************************************************
	Problem: 1131
	User: admin
	Language: C
	Result: Accepted
	Time:10 ms
	Memory:1036 kb
****************************************************************/