#include <cstdio> #include <cmath> #include <cstring> #include <string> #include <iostream> #include <algorithm> #include <vector> #include <set> #include <map> #include <queue> #include <stack> #include <cassert> using namespace std; int main() { long long a, b; cin >> a >> b; cout << "2\n1 " << a*b << endl; cout << "3 " << 2*a*b << endl; return 0; }