#include using namespace std; #ifdef DEBUG_ #include #else #define dump(...) #endif #define FastIO cin.tie(nullptr), ios_base::sync_with_stdio(false); #define rep(i, n) for (int i = 0; (int)i < n; ++i) #define output(msg) cout << (msg) << '\n' #define die(msg) \ do { \ cout << msg << endl; \ exit(0); \ } while (0) #define INTi 1 << 30 #define INFll 1LL << 60 template bool chmax(T& a, const T& b) { return ((a < b) ? (a = b, true) : (false)); } template bool chmin(T& a, const T& b) { return ((a > b) ? (a = b, true) : false); } using llint = long long int; int main() { FastIO; string s, t; cin >> s >> t; if (t.size() == 1) { if (s.find(t) != string::npos) { die(-1); } else { die(0); } } dump(s, t); int idx{}, cnt{}; while (idx <= (int)s.size()) { if (s.substr(idx, t.size()) == t) { cnt++; idx = idx + (int)t.size() - 1; } else { idx++; } } output(cnt); }