#define _CRT_SECURE_NO_WARNiINGS #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; #define eps 0.000000001 #define LONG_INF 10000000000000000 #define GOLD 1.61803398874989484820458 #define MAX_MOD 1000000007 #define REP(i,n) for(long long i = 0;i < n;++i) #define cycle_per_sec 2806192512 int main() { long long k; cin >> k; vector> edges; for (int i = 31; k != 0; --i) { if (k % 2 == 1) { edges.push_back(make_pair(1, i)); } k /= 2; } for (int i = 2; i <= 32; ++i) { for (int q = i + 1; q <= 32; ++q) { edges.push_back(make_pair(i, q)); } } cout << 32 << " " << edges.size() << endl; for (int i = 0; i < edges.size(); ++i) { cout << edges[i].first << " " << edges[i].second << endl; } return 0; }