#include <iostream>
using namespace std;

int main() {
    char ch;
    int count = 0;

    while (cin.get(ch) && ch != '.') {
        if (ch >= 'A' && ch <= 'Z') {
            count++;
        }
    }

    cout << count << endl;
    return 0;
}
    
/**************************************************************
	Problem: 1007
	User: fuyijun
	Language: C++
	Result: Accepted
	Time:6 ms
	Memory:2072 kb
****************************************************************/