#include <iostream>
#include <vector>

using namespace std;

int main() {
    string t;
    vector<string> s;
    while (cin >> t) {
        s.push_back(t);
    }
    string a, b;
    b = s.back();
    s.pop_back();
    a = s.back();
    s.pop_back();
    //cout << a << ' ' << b << endl;

    for (auto &c : s) {
        if (c == a)
            c = b;
        cout << c << ' ';
    }
    cout << endl;
    return 0;
}