#include <iostream>
using namespace std;

int N, M;
bool prime[10009];

void init() {
	for (int i = 2; i <= 10000; i++) prime[i] = true;
	for (int i = 2; i <= 10000; i++) {
		for (int j = i * i; j <= 10000; j += i) prime[j] = false;
	}
}

int main() {
	cin >> N; init();
	for (int i = N; i <= 10000; i++) { if (prime[i] == true) { M = i; break; } }
	for (int i = 1; i <= N; i++) cout << i << " " << (i * (i + 1) / 2) % M << endl;
	return 0;
}