#include <iostream>
#include <algorithm>
#include <functional>
#include <vector>
 
using namespace std;
 
struct Slowa {
    string a;
    string b;
};
 
class AEqual : public binary_function<Slowa, string, bool> {
public:
    result_type operator()(const first_argument_type &lewy, const second_argument_type &prawy) const {
        return lewy.a==prawy;
    }
};
 
int main() {
    vector<Slowa> v;
    string x;
    Slowa a;
    cin>>x;
    while (cin >>a.a>>a.b) {
        v.push_back(a);
    }
    vector<Slowa>::iterator i;
    i=remove_if(v.begin(), v.end(), bind2nd(AEqual(), x));
 
    v.erase(i, v.end());
 
    for(i=v.begin(); i!=v.end(); ++i) {
        cout << i->a << " " << i->b << endl; 
    }
    return 0;
}

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remove
ale ma
kota remove
remove pies
remove kon
dziecie ok
nic cos
remove zero