UVa-1585 Score

#include<iostream>
#include<cstdio>
#include<cstring>
using namespace std;
int main()
{
    int t;
    cin>>t;
    while(t--)
    {
        char a[85]={};
        cin>>a;
        int k=strlen(a);
        int b=0,sum=0;
        for(int i=0;i<k;i++)
        {
            if(a[i]=='O')
            {
                ++b;
                sum+=b;
            }
            else
                b=0;
        }
        cout<<sum<<endl;
    }
}