#include <iostream>

using namespace std;

string str[10000];

int main(void)
{
    int cnt = 0;
    while (cin >> str[cnt]) cnt++;
    // puts("Test01");
    // cout << cnt << endl;
    for (int i = 0; i < cnt - 2; i++) {
        if (str[i] == str[cnt-2]) cout << str[cnt-1];
        else cout << str[i];
        // cout << str[i];
        cout << " ";
    }

    return 0;
}