#include <iostream>
using namespace std;

int main()
{
  char ch;
  int count = 0;

  cin.get(ch);
  while (cin)
  {
    if (ch == '.' || ch == ',')
      count++;
    cin.get(ch);
  }
  cout << "The number of phrases found is " 
       << count << " ." << endl;
  return 0;
}