#include <iostream>
#include <string>
using namespace std;

bool A, D, O, B, E;
int M, P, Ast;
int Rez;

string S;

inline void mark(int);
inline void unmark(int);
inline bool check();

int main() {
    cin >> S;
    int n = S.size();

    if (n < 5) cout << "0";
    else {
        for (int i = 0; i < 5; ++i)
            mark(i);

        Rez += check();

        cout << "Sirul: ";
        for (int i = 0; i < 5; ++i)
            cout << S[i];

        cout << "\nCu check-ul: " << check() << "\n\n";

        int j = 0;
        for (int i = 5; i < n; ++i) {

            cout << "Sirul: ";
            for (int p = i - 4; p <= i; ++p)
                cout << S[p];

            cout << "\nCu check-ul: " << check() << "\n\n";

            unmark(j); j++;
            mark(i);

            Rez += check();
        }

        cout << Rez;
    }

    return 0;
}

inline void mark(int poz) {
    if (S[poz] == 'A' || S[poz] == 'a') A = true;
    if (S[poz] == 'D' || S[poz] == 'd') D = true;
    if (S[poz] == 'O' || S[poz] == 'o') O = true;
    if (S[poz] == 'B' || S[poz] == 'b') B = true;
    if (S[poz] == 'E' || S[poz] == 'e') E = true;

    if (S[poz] == '-') M++;
    if (S[poz] == '+') P++;
    if (S[poz] == '*') Ast++;
}

inline void unmark(int poz) {
    if (S[poz] == 'A' || S[poz] == 'a') A = false;
    if (S[poz] == 'D' || S[poz] == 'd') D = false;
    if (S[poz] == 'O' || S[poz] == 'o') O = false;
    if (S[poz] == 'B' || S[poz] == 'b') B = false;
    if (S[poz] == 'E' || S[poz] == 'e') E = false;

    if (S[poz] == '-') M--;
    if (S[poz] == '+') P--;
    if (S[poz] == '*') Ast--;
}

inline bool check() {
    bool a = A, d = D, o = O, b = B, e = E;
    int m = M, p = P, ast = Ast;

    cout << "\nValoriile sunt:\n";
    cout << a << ' ' << d << ' ' << o << ' ' <<  b << ' ' << e << ' ' << m << ' ' << p << ' ' << ast << "\n\n";

    if (a + m + ast == 0) return false;
        else if (a) a = false;
            else if (m) m--;
                else ast--;

    if (d + p + ast == 0) return false;
        else if (d) d = false;
            else if (p) p--;
                else ast--;

    if (o + m + ast == 0) return false;
        else if (o) o = false;
            else if (m) m--;
                else ast--;

    if (b + p + ast == 0) return false;
        else if (b) b = false;
            else if (p) p--;
                else ast--;

    if (e + m + ast == 0) return false;
        else if (e) e = false;
            else if (m) m--;
                else ast--;

    return true;
}

/// ebodaE+m***++