#include <iostream>
#include <bits/stdc++.h>
using namespace std;
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
string s ;
getline(cin, s) ;
int counter=0 ;
bool flage=true ;
for (int x=0 ; x<s.size() ; x++)
{
if (s[x]>='A'&&s[x]<='z'&&flage)
{
counter++ ;
flage=false ;
}
else if (s[x]==' ')
flage=true ;
}
cout << counter ;
return 0;
}
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