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

using S = pair<long, long>;
S operator + (S p, S q){ return {p.first + q.first, p.second + q.second}; }
S operator - (S p, S q){ return {p.first - q.first, p.second - q.second}; }

auto &operator >> (auto &is, S &p){
    is >> p.first >> p.second;
    return is;
}

auto &operator << (auto &is, S p){
    is << p.first << ' ' <<  p.second;
    return is;
}

int main(){
    int N; cin >> N;
    S s, l, g; cin >> s >> l >> g;
    cout << 4 << endl;
    cout << (g + pair{ 0, 1}) << endl;
    cout << (g + pair{ 1, 0}) << endl;
    cout << (g + pair{0, -1}) << endl;
    cout << (g + pair{-1, 0}) << endl;

}