#include <cstdio>
#include <string>
using namespace std;
int main() {
string s;
char c;
while (cin >> s >> c) {
for(int i = 0; i < s.size(); i++) {
while (s[i] == c) {
s.erase(i, 1);
}
}
cout << s;
}
return 0;
}
#include <cstdio>
#include <string>
using namespace std;
int main() {
string s;
char c;
while (cin >> s >> c) {
for(int i = 0; i < s.size(); i++) {
while (s[i] == c) {
s.erase(i, 1);
}
}
cout << s;
}
return 0;
}