// Author : FatihCihan
#include <bits/stdc++.h>
using namespace std;
#define all(v) v.begin() , v.end()
#define sz(a) (int)a.size()
void solve(){
int l,q;
cin >> l >> q;
while(q--){
string str;
cin >> str;
if(str[0] == 'a'){
int a;
cin >> a;
cout << 2 << " " << a << " " << a << endl;
}
else if(str[0] == 'b'){
int b;
cin >> b;
cout << 1 << " " << b << endl;
}
else{
int lc;
cin >> lc;
vector < int > v(lc);
for(int i = 0;i<sz(v);i++)cin >> v[i];
cout << (v[0] == 1 ? "A" : "B") << endl;
}
}
}
signed main(){
ios_base::sync_with_stdio(0);cin.tie(0);
int testcase = 1;//cin >> testcase;
while(testcase--)solve();
cerr << 1000.0 * clock() / CLOCKS_PER_SEC << " ms" << endl;
}
