#include <bits/stdc++.h>
using namespace std;
int main()
{
string s;
int n,i,score,sum,count;
cin>>n;
for(i=0;i<n;i++)
{
sum=0, count=0;
cin>>s;
for(int j=0;j<s.size();j++)
{
if(s[j]=='O')
{
count++;
sum+=count;
}
if(s[j]=='X')
{
count=0;
}
}
// sum+=count;
cout<<sum<<endl;
}
return 0;
}