string@S;
int ans = 1d9;
VI s;
rep(i, S.size()) {
    if(S.substr(i, 3) == "ccw") s.push_back(i);
}
if(s.empty()) cout << 0 << "\n";
else {
    ans <?= (int)(S.size()) - (s.front() + 2);
    ans <?= s.back() + 1;
    wt(ans);
}