#include<bits/stdc++.h>
using namespace std;
int main()
{

    string s;
    getline(cin,s);
    int d=0,i;
    int l=s.size();
    for(i=0;i<l;i++)
    {
        if(!isdigit(s[i]))
        {
            if(!isspace(s[i]))
            {
                if(s[i]!=';'||s[i]!='-'||s[i]!=',')
                {
                    {if(s[i]=='.'||s[i]=='!'||s[i]=='?')
                    {
                        if(s[i+1]>='a'&&s[i+1]<='z')
                        {
                            d++;
                        }}
                   {
                    if(s[i]>='A'&& s[i]<='Z')
                    {
                        if(s[i+1]>='A' &&s[i+1]<='Z')
                        {
                            d++;
                        }
                    }}

                    }
                }
            }
        }
    }
    cout<<d<<endl;




}