import java.util.Scanner;
public class Main {
public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

while (scanner.hasNextLine()) {
    String nextLine = scanner.nextLine();
    int count = 0;
    for (int i = 0; i < nextLine.length(); i++) {
        if (Character.isUpperCase(nextLine.charAt(i))) {
            count++;
        }
    }
    System.out.println(count);
}

}
}