#include<stdio.h>
#include<math.h>
#include<string.h>

long gresit,u,i,ok,vb1,o,inp,poz;
char s[10001];

int main()
{
    while(gets(s)!=0)
    {
        u=strlen(s);
        vb1=0;
        inp=0;
        o=0;
        ok=0;
        for(i=0;i<u;i++)
        {
            if(s[i]=='.' || s[i]==',' || s[i]==';' || s[i]=='-' || s[i]==':' || s[i]==' ') {vb1=0; ok=0; o=0;}
            else
                {
                o++;
                poz=i;
                }
            if(vb1==0 && s[i]>='a' && s[i]<='z' && inp==0)
            {
                gresit++;
                vb1=1;
                inp=1;
            }
            if(ok==1 && s[i]>='A' && s[i]<='Z' && s[i+1]>='A' && s[i+1]<='Z' || (o>=3 && s[i]>='A' && s[i]<='Z') || (s[poz]>='a' && s[poz]<='z' && s[i]>='A' && s[i]<='Z'))
                gresit++;
            if(vb1==0 && s[i]>='A' && s[i]<='Z' && inp==0)
            {
                vb1=1;
                inp=1;
            }
            if(s[i]=='.' || s[i]=='!' || s[i]=='?')
                inp=0;
            if(s[i]>='a' && s[i]<='z' || s[i]>='A' && s[i]<='Z')
                ok=1;
        }
    }
    printf("%ld",gresit);
    return 0;
}

whi do i get wa? test 2? can you give it to me?