Cokolado

#include <iostream>
#include <string>

using namespace std;

int main() {
    string s;
    char c;
    cin >> s >> c;

    int n = 0, len = s.length();

    for (int i = 0; i < len; ++i) {
        char x = s.at(i);

        if (x == c) {
            if (i - 1 >= 0 && s.at(i - 1) != x) {
                n++;
            }
            if (i + 1 < len && s.at(i + 1) != x) {
                n++;
            }
        }
    }

    cout << n << endl;

    return 0;
}