ACM Q494

import java.util.Scanner;

public class Q494 {

public static void main(String args[]){
Scanner cin = new Scanner(System.in);
String regex = "^[A-Za-z]+.*";
String delims = " [^A-Za-z]";
String inputLine;
while (cin.hasNextLine()){
int count =0;
inputLine = cin.nextLine();
String[] tokens = inputLine.split("[^A-Za-z]");

for (String s : tokens) {
if(s.matches(regex)){
count++;
}

}
System.out.println(count);
}

}

}