#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
using namespace std;

//#define int long long
//using ll = boost::multiprecision::cpp_int;
using ll = long long;
//constexpr int INF = 1e9;//INT_MAX=(1<<31)-1=2147483647
constexpr ll INF = (ll)1e18;//(1LL<<63)-1=9223372036854775807
constexpr ll MOD = (ll)1e9 + 7;
constexpr double EPS = 1e-9;
constexpr int dx[4]={1,0,-1,0};
constexpr int dy[4]={0,1,0,-1};
#ifdef LOCAL_ENV
	#define debug(var) std::cout<<#var" = "<<var<<std::endl
#else
	#define debug(var)
#endif
#define p(var) std::cout<<var<<std::endl
#define rep(i, n)	 for(ll i=0, i##_length=(n); i< i##_length; ++i)
#define repeq(i, n) for(ll i=1, i##_length=(n); i<=i##_length; ++i)
#define all(a) (a).begin(), (a).end()
#define PI (acos(-1))
template<typename T> inline T power(T x, T n){ return n ? power(x*x%MOD,n/2)*(n%2?x:1)%MOD : 1; }
template<typename T> inline T gcd(T a, T b) { return b ? gcd(b,a%b) : a; }
template<typename T> inline T lcm(T a, T b) { return a / gcd(a,	b) * b; }
template<typename T1, typename T2>inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); }
template<typename T1, typename T2>inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); }
template<typename T1, typename T2> ostream& operator<<(ostream& s, const pair<T1, T2>& p) {return s << "(" << p.first << ", " << p.second << ")";}
template<typename T> ostream& operator<<(ostream& s, const vector<T>& v) {
	for (int i = 0, len = v.size(); i < len; ++i){
		s << v[i]; if (i < len - 1) s << "\t";
	}
	return s;
}
template<typename T> ostream& operator<<(ostream& s, const vector< vector<T> >& vv) {
	for (int i = 0, len = vv.size(); i < len; ++i){
		s << vv[i] << endl;
	}
	return s;
}
template<typename T1, typename T2> ostream& operator<<(ostream& s, const map<T1, T2>& m) {
	s << "{" << endl;
	for (typeof(m.begin()) itr = m.begin(); itr != m.end(); ++itr){
		s << "\t" << (*itr).first << " : " << (*itr).second << endl;
	}
	s << "}" << endl;
	return s;
}

/*-----8<-----8<-----*/

/*
RollingHash(s, mod, base):= 文字列 s のハッシュテーブルを構築する。
get(l, r):= 区間 [l,r) のハッシュ値を求める。
connect(h1, h2, h2len):= ハッシュ値 h1 と, 長さ h2len のハッシュ値 h2 を結合する。
LCP(b, l1, r1, l2, r2):= 区間 [l1,r1) と, ハッシュテーブルが b からなる区間 [l2,r2) の文字列の最長共通接頭辞の長さを求める。
*/
using rh_type = boost::multiprecision::cpp_int;
//using rh_type = unsigned long long;
struct RollingHash {
	rh_type mod;
	vector< rh_type > hashed, power;

	inline rh_type mul(rh_type a, rh_type b) const {
		return a * b % mod;
	}

	RollingHash(const string &s, rh_type mod = 1000000007, rh_type base = 10007) : mod(mod) {
		int sz = (int) s.size();
		hashed.assign(sz + 1, 0);
		power.assign(sz + 1, 0);
		power[0] = 1;
		for(int i = 0; i < sz; i++) {
			power[i + 1] = mul(power[i], base);
			hashed[i + 1] = mul(hashed[i], base) + s[i];
			if(hashed[i + 1] >= mod) hashed[i + 1] -= mod;
		}
	}

	rh_type get(int l, int r) const {
		rh_type ret = hashed[r] + mod - mul(hashed[l], power[r - l]);
		if(ret >= mod) ret -= mod;
		return ret;
	}

	rh_type connect(rh_type h1, int h2, int h2len) const {
		rh_type ret = mul(h1, power[h2len]) + h2;
		if(ret >= mod) ret -= mod;
		return ret;
	}

	int LCP(const RollingHash &b, int l1, int r1, int l2, int r2) {
		int len = min(r1 - l1, r2 - l2);
		int low = -1, high = len + 1;
		while(high - low > 1) {
			int mid = (low + high) / 2;
			if(get(l1, l1 + mid) == b.get(l2, l2 + mid)) low = mid;
			else high = mid;
		}
		return (low);
	}
};



signed main() {
	//ABC135F
	string S,SS,T;
	cin>>S>>T;
	SS=S;
	while(SS.size()<S.size()+T.size())SS+=S;

	RollingHash rhs(SS),rht(T);
	/*
	//強固にした版 boost必須です
	ll rh_mod = 100000000000000003;
	std::random_device rnd;
	std::mt19937 mt(rnd());
	std::uniform_int_distribution<> rand_base(2, rh_mod-2);
	ll rh_base = rand_base(mt);
	RollingHash rhs(SS, rh_mod, rh_base), rht(T, rh_mod, rh_base);
	*/

	vector<ll> indegree(S.size());
	vector<vector<ll>> g(S.size());
	rep(i,S.size()){
		if(rhs.get(i,i+T.size()) == rht.get(0,T.size())){
			ll to=(i+T.size()) % S.size();
			g[i].push_back(to);
			indegree[to]++;
		}
	}

	queue<ll> q;
	rep(i,S.size()) if(indegree[i]==0)q.push(i);
	
	vector<ll> dp(S.size(),0);
	ll sortcount=0;
	while(!q.empty()){
		ll v=q.front();
		q.pop();
		sortcount++;
		for(ll nextv : g[v]){
			dp[nextv]=dp[v]+1;
			indegree[nextv]--;
			if(indegree[nextv]==0)q.push(nextv);
		}
	}

	if(sortcount==S.size()){
		ll maxval=0;
		rep(i,S.size())chmax(maxval,dp[i]);
		p(maxval);
	}else{
		p(-1);
	}
	
	return 0;
}


Measured memory_bytes: 162868