#include<iostream> #include<string> using namespace std; int main(){ string a,b; int vac=0,m_vac=0; cin >> a >> b; a+=b; for(int i=0;i<a.length();i++){ if(a[i]=='o'){ vac++; m_vac = max(vac,m_vac); } else vac=0; } cout << m_vac << endl; }