#include <stdio.h>
#include<string.h>
int main() {

    char c, s[100];
    gets(s);
    c = getchar();
    int i, n = strlen(s);
    for (i = 0; i < n; i++) {
        if (s[i] != c)printf("%c", s[i]);
    }
    return 0;
}