text: #include <bits/stdc++.h>
  #define endl        '\n'
  #define db          double
  #define ld          long double
  #define ll          long long
  #define ull         unsigned long long
  #define sqr(x)      (x) * (x)
  #define gcd(a, b)   __gcd(a, b)
  #define lcm(a, b)   ((a/gcd(a,b)) * b)
  #define pf(x) 		push_front(x)
  #define pb(x)       push_back(x)
  #define eb(x)		emplace_back(x)
  #define all(x)      (x).begin(), (x).end()
  #define rall(x) 	(x).rbegin(), (x).rend()
  #define sz(x) 		(int)x.size()
  #define debug(x) 	cerr << #x << " = " << (x) <<endl
  #define unsyncIO    ios_base::sync_with_stdio(0); cin.tie(0)
  
  const ld PI = acos((ld)-1);
  const int MOD = 1e9+7;
  const ll INF = 1e18; 
  
  using namespace std;
  
  int main()
  {
      //freopen("/home/taalpatar_shepai/Documents/my_codes/out.txt", "w", stdout);
      string s;
      cin >> s;
      int ans = 1;
      for (int i = 0; i < s.length(); i++) {
         if(isupper(s[i]))
             ans++;
      }
      cout << ans << endl;
      return 0;
  }
  