#include <bits/stdc++.h>
using namespace std;
int sum=0;
int main(){
	string s;
	getline(cin,s);
	for(int a:s)sum+=isupper(a);
	cout<<sum;
}

/**************************************************************
	Problem: 1007
	User: zhouhongyi
	Language: C++
	Result: Wrong Answer
****************************************************************/