#include <iostream>
#include <string>
#include <sstream>
#include <map>
using namespace std;

int main()
{
    string line, studID, studName;
    map<string, string> m;
    while (getline(cin, line))
    {
        if (line == "exit") break;
        istringstream is(line);
        is >> studID >> studName;
        m.insert({studID, studName});
    }

    string key;
    cin >> key;
    auto p = m.find(key);
    if(p!= m.end())
        cout <<  p->second << endl;
    else
        cout << "Not in the list." << endl;

    return 0;
}