#include <iostream>
#include <sstream>

using namespace std;

int main()
{
    string a, b, c;
    getline(cin, a);
    cin >> b >> c;

    stringstream ssin(a);
    string str;
    while (ssin >> str)
    if (str == b) cout << c << ' ';
    else cout << str << ' ';

    return 0;

}