#include #define rep(i, a, n) for (int i = a; i < n; i++) #define repr(i, a, n) for (int i = n - 1; i >= a; i--) using namespace std; using ll = long long; using P = pair; template void chmin(T &a, T b) { a = min(a, b); } template void chmax(T &a, T b) { a = max(a, b); } int main() { ios::sync_with_stdio(false); cin.tie(0); string c1, c2; cin >> c1 >> c2; string c3 = c1 + c2 + "x"; int ans = 0, cnt = 0; ; rep(i, 0, c3.size()) { if (c3[i] == 'o') cnt++; else { chmax(ans, cnt); cnt = 0; } } cout << ans << endl; }