#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>

using namespace std;
using namespace __gnu_pbds;

template<typename T>
ostream_iterator<T> oit(const string &s = " "){ return ostream_iterator<T>(cout,s.c_str()); }
inline auto rep(int l, int r) { return views::iota(min(l, r), r); }
inline auto rep(int n) { return rep(0, n); }
inline auto rep1(int l, int r) { return rep(l, r + 1); }
inline auto rep1(int n) { return rep(1, n + 1); }
inline auto per(int l, int r) { return rep(l, r) | views::reverse; }
inline auto per(int n) { return per(0, n); }
inline auto per1(int l, int r) { return per(l, r + 1); }
inline auto per1(int n) { return per(1, n + 1); }
#define A(a) begin(a),end(a)
inline auto len = ranges::ssize;

struct chash {
    static uint64_t splitmix64(uint64_t x) {
        // http://xorshift.di.unimi.it/splitmix64.c
        x += 0x9e3779b97f4a7c15;
        x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
        x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
        return x ^ (x >> 31);
    }

    size_t operator()(uint64_t x) const {
        static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count();
        return splitmix64(x + FIXED_RANDOM);
    }
};
template<typename T, typename U> using pb_map = gp_hash_table<T, U, chash>;
template<typename T> using pb_set = gp_hash_table<T, null_type, chash>;
#define K first
#define V second

using ll = long long;
using ld = long double;

using vi = vector<int>;
using vii = vector<vector<int>>;
typedef vector<ll> vll;
using pll = pair<ll,ll>;
using pii = pair<int,int>;
constexpr ld EPSILON = 0;

constexpr ll NN = 2e5, M = 1000000007, L = 20;

ll f1[NN], f2[NN];
ll inv(ll a, ll b=M) { return 1 < a ? b - inv(b % a, a) * b / a : 1; } // inv a mod b
ll choose(ll n, ll k) { return f1[n] * f2[k] % M * f2[n - k] % M; } // n choose k
int n;
struct Circle {
    ld x, y, r, s;
};

vector<Circle> circs;

void del(int i) {
    swap(circs[i], circs[n-1]);
    --n;
    circs.pop_back();
}

void expand(ld t) {
    for (auto& c : circs) {
        c.r += c.s * t;
    }
}

void cascade(int i) {
    ld sx = 0, sy = 0, sa = 0, ms = 0;
    int cnt = 0;
    auto& c = circs[i];
    vector<int> marked;
    for (int j : rep(n)) {
        auto& c2 = circs[j];
        if (hypotl(c.x-c2.x, c.y-c2.y) <= c.r + c2.r + EPSILON) {
            cnt++;
            sx += c2.x;
            sy += c2.y;
            sa = hypotl(sa, c2.r);
            ms = max(ms, c2.s);
            marked.push_back(j);
        }
    }
    if (marked.size() <= 1) return;
    c.x = sx / cnt;
    c.y = sy / cnt;
    c.r = sa;
    c.s = ms;
    reverse(A(marked));
    for (int x : marked) {
        if (x == i) continue;
        if (i == n-1) {
            i = x;
        }
        del(x);
    }
    cascade(i);
}

void mrg() {
    int a, b;
    ld t = INFINITY;
    for (int i : rep(n)) {
        for (int j : rep(i)) {
            auto& c1 = circs[i], c2 = circs[j];
            ld t1 = (hypotl(c1.x - c2.x, c1.y - c2.y) - c1.r - c2.r) / (c1.s + c2.s);
            if (t1 < t) {
                a = i; b = j;
                t = t1;
            }
        }
    }
    expand(t);
    auto& c1 = circs[a], c2 = circs[b];
    c1.x = (c1.x + c2.x) / 2;
    c1.y = (c1.y + c2.y) / 2;
    c1.r = hypotl(c1.r, c2.r);
    c1.s = max(c1.s, c2.s);
    if (a == n-1) a = b;
    del(b);
    cascade(a);
}

void run()
{
    cin >> n;
    circs.resize(n);
    for (auto& c : circs) {
        cin >> c.x >> c.y >> c.r >> c.s;
    }
    while (circs.size() > 1) mrg();
    cout << fixed << setprecision(12) << circs[0].x << " " << circs[0].y << endl;
    cout << circs[0].r << endl;
}

int main()
{
    //KING OF THE WORLD...... U.W.T.B
    cin.tie(0);
    ios_base::sync_with_stdio(false);
    f1[0] = 1;
    f2[0] = 1;
    for (int i = 1; i < NN; i++) {
        f1[i] = f1[i - 1] * i % M;
        f2[i] = inv(f1[i], M);
    }
    int t=1; while(t--) run();
}