#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ld = long double;

string S, T;

int main() {
  cin >> S >> T;
  if (S.find(T) == -1) {
    cout << 0 << endl;
    return 0;
  } else if (T.size() == 1) {
    cout << -1 << endl;
    return 0;
  }
  int idx = 0, cnt = 0;
  while (idx < S.size()) {
    if (S.substr(idx, T.size()) == T) {
      cnt++;
      idx += T.size() - 1;
    } else idx++;
  }
  cout << cnt << endl;
  return 0;
}