题解 | #统计大写字母个数#

import java.io.*;
import java.util.*;

public class Main{
    public static void main(String [] args) throws Exception{
        BufferedReader bf = new BufferedReader(new InputStreamReader(System.in));
        char [] str = bf.readLine().toCharArray();
        int count=0;
        for(char x: str){
            if(x>64 && x< 91){
                count++;
            }
        }
        System.out.println(count);
    }
}