#include <iostream>
#include <string>

using namespace std;

int main() {
                   //          1         2
                   //01234567890123456789012
    string phrase = "Danger, Danger, Danger!";
    string search = ",";

    size_t pos{0};
    int count{0};

    pos = phrase.find(search);
    while (pos != string::npos) {
        count ++;
        pos = phrase.find(search,pos+1);
    }

    cout << search << " occured " << count << " times in "
         << phrase << "." << endl;

    return 0;
}