#include<bits/stdc++.h>

#define ll long long
#define ALL(v) (v).begin(),(v).end()
#define REP(i,p,n) for(int i=p;i<(int)(n);++i)
#define rep(i,n) REP(i,0,n)
#define dump(a) (cerr << #a << "=" << (a) << endl)
#define DUMP(list) cout << "{ "; for(auto nth : list){ cout << nth << " "; } cout << "}" << endl;
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }


using namespace std;

int main(){
    string S, T;
    cin >> S >> T;

    int n = S.size();
    int m = T.size();
    int ans = 0;
    rep(i, n) {
        if (S[i] == T[0]) {
            REP(j, 1, m) {
                if (i + j >= n) {
                    break;
                }
                if (S[i+j] != T[j]) {
                    break;
                }

                if (j == m - 1) {
                    ans++;
                    i = i+j-1;
                }
            }
        }
    }

    if (m == 1) {
        rep(i, n) {
            if (S[i] == T[0]) {
                cout << -1 << endl;
                return 0;
            }
        }
        cout << 0 << endl;
    } else {
        cout << ans << endl;
    }



}