#include <bits/stdc++.h>
using namespace std;

string s, t;
int main() {
    cin >> s >> t;
    
    int len = t.size();
    if (len == 1) {
        cout << (s.find(t) == string::npos ? 0 : -1) << endl;
    } else {
        int cnt = 0;
        int i = 0;
        while (i < s.size()) {
            if (s.substr(i, len) == t) {
                ++cnt;
                i += len - 1;
            } else {
                ++i;
            }
        }
        cout << cnt << endl;
    }
}