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