Solution.java

import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String s = in.next();
        int counter;
        if (s.length() == 0) {
            counter = 0;
        } else {
            counter = 1;
            for (int i = 1; i < s.length(); i++) {
                if (Character.isUpperCase(s.charAt(i))) {
                    counter++;
                }
            }
        }
        System.out.println(counter);
    }
}