// Read inputs from stdin. Write outputs to stdout.

#include <locale>
#include <iostream>
#include <string>
#include <math.h>
#include <cstdlib>
#define _USE_MATH_DEFINES

using namespace std;

int main()
{
    string posx, posy;
    int count;
    cin >> posx;
    cin >> posy;
    cin >> count;
    int tmp;
    tmp = posx.find(",");
    posx.replace(tmp, tmp,".");
    tmp = posy.find(",");
    posy.replace(tmp, tmp,".");

    double fposx = atof(posx.c_str());
    double fposy = atof(posy.c_str());

    fposx = (fposx/180) * M_PI;
    fposy = (fposy/180) * M_PI;

    string line, spos;

    double mindist = 999999999999;
    double cposx, cposy, distx, disty;

    cin.ignore();
    string which;
    for (int i=0; i<count; i++)
    {
        double dist;
        getline(cin, line);

        spos = line.substr(line.rfind(";;")+2);
        posx = spos.substr(0,spos.find(";"));
        posy = spos.substr(spos.find(";")+1);

        cposx = atof(posx.c_str());
        cposy = atof(posy.c_str());
        cposx = (cposx/180) * M_PI;
        cposy = (cposy/180) * M_PI;

        distx = (fposx - cposx)*cos((fposx+cposx)/2);
        disty = fposy - cposy;
        dist = (distx*distx + disty*disty);
        cout << dist << endl;
        if (dist<mindist)
        {
            mindist = dist;
            which = line;
        }

    }

    cout << which;
    return 0;
}