#include #include #include using namespace std; using ll = long long; int main(void){ ios::sync_with_stdio(false); cin.tie(nullptr); int N = 1000, W = 1000; cout << N << " " << W << "\n"; cout << 2000 << " " << 1 << "\n"; vector> a; int sum = 2001; for(int i = 2;i <= W;i++){ a.push_back({sum, i}); sum += 2001; } reverse(a.begin(), a.end()); for(auto [v, w] : a){ cout << v << " " << w << "\n"; } return 0; }