#include <iostream>
using namespace std;
int main(int argc, char *argv[])
{
int i,c=0;
string a;
cin>>a;
for(i=0;i<15;i++)
{
if(a[i]=='.') c++;
}
cout<<c;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwoKaW50IG1haW4oaW50IGFyZ2MsIGNoYXIgKmFyZ3ZbXSkKewppbnQgaSxjPTA7CnN0cmluZyBhOwpjaW4+PmE7CmZvcihpPTA7aTwxNTtpKyspCnsKaWYoYVtpXT09Jy4nKSBjKys7Cn0KY291dDw8YzsKCn0=