#include <iostream>
#include <string>
#include <cmath>
#include <vector>
#include <sstream>

using namespace std;

float degToRad( string s){
    s.replace(s.find(","),s.find(","), ".");
    return (stof(s) * (M_PI  / 180));
}


int main()
{
    string LON, LAT, destination ,DEFIB, intermediate;
    int N,cpt;
    cin >> LON >> LAT >> N; cin.ignore();

    float d = 10000000, x, y, d1, latitude, longitude, temp,
           longe = degToRad(LON), latit = degToRad(LAT);

    for (size_t i = 0; i < N; i++) {

        getline(cin, DEFIB);

        // Vector of string to save tokens
        vector <string> tokens;
        // stringstream class check1
        stringstream check1(DEFIB);

        // Tokenizing w.r.t. ';'
        cpt=0;
        while(getline(check1, intermediate, ';'))
        {
            switch (cpt){
                case 4 :
                    longitude = degToRad(intermediate);
                    break;
                case 5 :
                    latitude = degToRad(intermediate);
                    break;
                default :
                    break;
            }
            cpt++;
        }

        x = (longe - longitude) * cos((latitude+latit)/2);
        y = latit - latitude;
        d1 = sqrt(pow(x,2) + pow(y,2)) * 6371.0;

        if ( d1 <= d ){
            d = d1;
            temp=DEFIB.find(';')+1;
            destination = DEFIB.substr(temp,DEFIB.find(';',temp)-temp);
            if (destination == "Caisse Primaire d'Assurance Maladie")
                cerr << "CPAM : " << d << endl;
            else if (destination=="Caisse d'assurance retraite et de la Sante au travail")
                cerr << "Sante travail : " << d << endl;
            cerr << "mini dist = " << d << endl;

        }
    }
    cout << destination << endl;
}