#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

const ll DI[4] = {0, 1, 0, -1};
const ll DJ[4] = {1, 0, -1, 0};
void solve() {
  cin.ignore(5);
  ll cx, cy;
  cin >> cx >> cy;
  cout << 4 << '\n';
  rep(d, 4) cout << cx + DI[d] << ' ' << cy + DJ[d] << '\n';
}

int main() {
  std::cin.tie(nullptr);
  std::ios_base::sync_with_stdio(false);
  int T = 1;
  for (int t = 0; t < T; t++) {
    solve();
  }
  return 0;
}