#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  if (n % 4 == 2)
    cout << "1 B" << endl;
  else if (n % 4 == 1)
    cout << "0 A" << endl;
  else if (n % 4 == 3)
    cout << "2 A" << endl;
  else
    cout << "1 A" << endl;
  return 0;
}
