#include <iostream>
#include <fstream>
#include <cstdlib>

using namespace std;

#define in cin
//ifstream in("4481.txt");

int valor(char c)
{
    switch(c)
    {
        case 'W': return 64;
        case 'H': return 32;
        case 'Q': return 16;
        case 'E': return 8;
        case 'S': return 4;
        case 'T': return 2;
        case 'X': return 1;
    }
}

int main()
{
    char linea[201];
    while (in >> linea && linea[0] != '*')
    {
        int cant = 0;
        int len = strlen(linea);
        for (int i = 1; i < len; i++)
        {
            int suma = 0;
            while (linea[i] != '/')
                suma += valor(linea[i++]);

            if (suma == 64)
                cant++;
        }
        cout << cant << endl;
    }
}