#include <iostream>
#include <algorithm>
#include <cstdio>

using namespace std;

const int N = 16;

int k;

int main() {
    // freopen("path.in", "r", stdin);
    // freopen("path.out", "w", stdout);

    scanf("%d", &k);
    int n = k + 2, m = 2 * k;
    cout << n << ' ' << m << endl;
    for (int i = 2; i <= k + 1; ++i) cout << 1 << ' ' << i << endl;
    for (int i = 2; i <= k + 1; ++i) cout << i << ' ' << n << endl;

    return 0;
}