#include <stdio.h>
#include <string.h>

int main()
{
	char s[1000],c;
	while(scanf("%s",s) != EOF)
	{
		scanf(" %c",&c);
		char *p = s;
		while(*p != '\0')
		{
			if(*p != c)
				printf("%c",*p);
			p++;
		}
		printf("\n");
	}
	return 0;
}