#include <bits/stdc++.h>
using namespace std;
int main() {
  int x;
  while (scanf("%d", &x) == 1) {
    if (x % 4 == 1)
      cout << 0 << ' ' << 'A' << endl;
    else if (x % 4 == 2)
      cout << 1 << ' ' << 'B' << endl;
    else if (x % 4 == 3)
      cout << 2 << ' ' << 'A' << endl;
    else
      cout << 1 << ' ' << 'A' << endl;
  }
  return 0;
}
