不敢想

#include <bits/stdc++.h>
using namespace std;

int main() {
    cout<< 2 <<endl;
    cout<< 7 <<endl;
    cout<< "L 2"<<endl;
    cout<< "L 2"<<endl;
    cout<< "M 2 1"<<endl;
    cout<< "B 1"<<endl;
    cout<< "L 3"<<endl;
    cout<< "M 3 2"<<endl;
    cout<<  "M 2 4"<<endl;
	return 0;
}