#include <bits/stdc++.h>
using namespace std;
string s;
int c;
int main() {
while (cin >> s)
c += s.size();
printf("%d", c);
return 0;
}
#include <bits/stdc++.h>
using namespace std;
string s;
int c;
int main() {
while (cin >> s)
c += s.size();
printf("%d", c);
return 0;
}