include <bits/stdc++.h>

using namespace std;

int a[103][9]; int main(){ iosbase::syncwith_stdio(0); cin.tie(0); cout.tie(0); // CHUOI freopen(".IN", "r", stdin); freopen(".OUT", "w", stdout);

int n;
cin >> n;

for(int i = 1; i <= n; i++)
    cin >> a[i][1] >> a[i][2] >> a[i][3] >> a[i][4];

for(int i = 1; i <= n; i++){
    for(int j = 1; j < i; j++){
        ;
    }
}

return 0;

}