#include <bits/stdc++.h>
#define rep(i, l, r) for (int i = (l); i < (r); i++)
using namespace std;

typedef long long ll;

int gcd(int x, int y) {
    if (y == 0) return x;
    return gcd(y, x % y);
}

int main() {
    double a;
    cin >> a;
    int x = 1000, y = 1000 * a;
    int g = gcd(x, y);
    int p = x / g, q = y / g, ans = 0;
    if ((p + q) % 2 == 0) {
        cout << "A";
        ans = -1;
    } else if (p % 2) {
        cout << "B";
        ans = -2;
        if (a > 1) ans--;
    } else {
        cout << "C";
        ans = -2;
        if (a > 1) ans--;
    }
    int s = 0;
    ans += p - 1;
    rep(i, 0, p) {
        int t = s + y, u = s / 1000, v = t / 1000;
        if (u == v) {
            ans++;
        } else {
            ans += v - u;
            ans += v - u - 1;
            if (i % 2 == u % 2) ans++;
            if (i % 2 == v % 2) ans++;
        }
        s = t;
    }
    cout << " " << ans << endl;
}