#include <bits/stdc++.h>

using namespace std;

int main() {
    ios::sync_with_stdio(false);

    int n;
    string s;
    cin >> n >> s;

    for(int i = 1; i <= n; i++) {
        string a;
        cin >> a;

        if(a != s) {
            cout << a << " ";
        }
    }

    cout << "\n";
    return 0;
}