#include <stdio.h>
#include <ctype.h>

int main()
{
	char c;
	int bad[128] = {0}; /* record keys are broken or not */

	while ((c = getchar()) != '\n')      /* read broken keys */
		bad[toupper(c)] = 1;

	while ((c = getchar()) != EOF && c != '\n')      /* read string and print */
		if (!bad[toupper(c)] && !(isupper(c) && bad['+']))
			  putchar(c);

	return 0;
}