#include "bits/stdc++.h"
using namespace std;

#define ll long long 
#define INF 0x3f3f3f3f
#define LNF 0x3f3f3f3f3f3f3f3fll
#define MOD 998244353

#define N 10010

int main() {
#ifdef TEST
    freopen("zz.in", "r+", stdin);
#endif
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    int n; cin >> n;
    vector<pair<int, int>> pts(n-1);
    int x0, y0; cin >> x0 >> y0;

    auto dis = [&](int x, int y) {
        return 1ll * (x - x0) * (x - x0) + 1ll * (y - y0) * (y - y0);
    };

    for (int i = 0; i < n-1; ++ i) {
        cin >> pts[i].first >> pts[i].second;
    }

    sort(pts.begin(), pts.end(), [&](auto& a, auto& b) {
        return dis(a.first, a.second) > dis(b.first, b.second);
    });
    
    cout << "YES\n";
    for (auto [x, y] : pts) {
        cout << x << ' ' << y << '\n';
    }

    return 0;
}