Contest1228/C.cpp

#include<bits/stdc++.h>
using namespace std;
int main(){
    string s, t;
    while (getline(cin, s) && getline(cin, t)) {
        for (size_t i = 0; i < s.size(); i++) {
            if (s[i] != t[0]) {
                cout << s[i];
            }
        }
        cout << endl;
    }
    return 0;
}