#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;


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

  if(S.size() < T.size()){
    cout << 0 << endl;
    return 0;
  }

  if(S.find(T) == string::npos){
    cout << 0 << endl;
    return 0;
  }  

  if(T.size() == 1){
    cout << -1 << endl;
    return 0;
  }

  int ret = 0;
  string SS = "";
  for(int i=S.size()-1; i>=0; i--){
    SS = S[i] + SS;
    if(SS.size() < T.size()) continue;
    bool flg = true;
    rep(j,T.size()){
      if(SS[j] != T[j]){
        flg = false;
        break;
      }
    }
    if(flg){
      SS[0] = '.';
      SS = S[i] + SS;
      ret++;
    }
    
    cerr << SS << endl;
  }
  
  cout << ret << endl;
  
  return 0;
}