#if !__INCLUDE_LEVEL__
#include __FILE__

constexpr clock_t TL = 1.0*CLOCKS_PER_SEC;

signed main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    ll N,M;
    cin >> N >> M;
    vector<pair<ll,ll>> pos(N);
    REP(i,N)cin >> pos[i].first >> pos[i].second;

    REP(i,M)cout << 0 << " " << 0 << "\n";
    cout << N+1 << "\n";
    REP(i,N)cout << 1 << " " << i+1 << "\n";
    cout << 1 << " " << 0+1 << "\n";
    
    return 0;
}


//====================temp====================
#else
#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for (int i = 0; i < (int)(n); i++)
#define RREP(i, n) for (int i = ((int)(n)-1); i >= 0; i--)
#define REPITR(itr, ARRAY) for (auto itr = (ARRAY).begin(); itr != (ARRAY).end(); ++itr)
#define RREPITR(itr, ARRAY) for (auto itr = (ARRAY).rbegin(); itr != (ARRAY).end(); ++itr)
#define ALL(n) (n).begin(),(n).end()
using ll = long long;
using ull = unsigned long long;
#endif