#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pi pair<int, int>
#define vi vector<int>
#define vs vector<string>
#define vb vector<bool>
#define vpi vector<pi>
#define pb push_back
#define all(a) (a).begin(), (a).end()
const int mod = 1e9 + 7;
void solve()
{
int n;
cin >> n;
vector<vi> v(n, vi(4));
for (int i = 0; i < n; i++)
{
for (int j = 0; j < 4; j++)
{
cin >> v[i][j];
}
}
sort(all(v));
for (int i = 1; i < n; i++)
{
cout << v[i - 1][0] << ' ' << v[i - 1][1] << ' ' << v[i][0] << ' ' << v[i][1] << '\n';
}
}
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
int t = 1;
// cin >> t;
while (t--)
{
solve();
}
return 0;
}
