#include
#include
#include
#include
#include
using namespace std;
#define REP(i,n) for(int i=0;i split( const string& s, const string& delim =" " ) {
vector res;
string t;
for ( int i = 0 ; i != s.size() ; i++ ) {
if ( delim.find( s[i] ) != string::npos ) {
if ( !t.empty() ) {
res.push_back( t );
t = "";
}
} else {
t += s[i];
}
}
if ( !t.empty() ) {
res.push_back(t);
}
return res;
}
int s2i(string s) {
stringstream ss;
ss > res;
return res;
}
string i2s(int n) {
stringstream ss;
ss > res;
return res;
}
int vv[200];
void init() {
memset(vv, 0, sizeof(vv));
int i = 1;
while (true) {
int n = i * (i + 1) / 2;
if (n > 200) break;
vv[n] = 1;
++i;
}
}
void run() {
init();
int res = 0;
string str;
cin >> str;
vector dd = split(str, "\",");
REP(k,dd.size()) {
int t = 0;
REP(i,dd[k].length()) {
t += dd[k][i] - 'A' + 1;
}
if (vv[t]) ++res;
}
cout