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