third

#include <iostream>
#include <string>

using namespace std;

int main()
{
    string s;
    int k = 0;
    getline(cin, s);
    for (int i = 0; i < s.length(); i++) {
        if ((s[i] == 33) or (s[i] == 34) or (s[i] == 39) or (s[i] == 40) or (s[i] == 41) or (s[i] == 42) or (s[i] == 44) or (s[i] == 45) or (s[i] == 46) or (s[i] == 58) or (s[i] == 59) or (s[i] == 63) or (s[i] == 96)) k++;
    }
    cout << k;
    return 0;
}