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

int main() {
    cin.tie(0)->sync_with_stdio(0);

    int N = 1000000;
    cout << N << "\n";

    long double theta = acos(-1) * 2;
    rep(i, N) {
        long double t = theta / N * i;

        int x = 1000000000 * cos(t);
        int y = 1000000000 * sin(t);

        cout << x << " " << y << "\n";
    }

    return 0;
}