#include <iostream>

using namespace std;

int main()
{
    int b[20],n;
    string a[20],x;
    cout<<"n=";
    cin>>n;
    for (int i=0;i<n;i++)
    {
        cout<<"a["<<i<<"]=";
        cin>>a[i];
        cout<<"b["<<i<<"]=";
        cin>>b[i];
    }
    cout<<"nev=";
    cin>>x;
    for (int i=0;i<n;i++)
    {
        if (x==a[i])
        {
            cout<<a[i]<<" telefonszama "<<b[i];
            return 0;
        }
    }
    cout<<x<<" nem talalhato";
    return 0;
}