#include<bits/stdc++.h>
using namespace std;
int h;
int main(){
    string s;
    getline(cin,s);
    for(int i=0;i<s.size();i++){
        if(s[i]>=65&&s[i]<=90) h++;
    }
    cout<<h;
    return 0;
}
/**************************************************************
	Problem: 1007
	User: 12345678
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/