#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector,fast-math")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
//#pragma comment(linker, "/stack:200000000")
 
#include <bits/stdc++.h>
 
using namespace std;
 
typedef long long ll;
typedef unsigned long long ull;
typedef double ld;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ld,ld> pdd;
 
#define X first
#define Y second
 
//#include <boost/unordered_map.hpp>
//using namespace boost;
 
/*
#include <ext/pb_ds/tree_policy.hpp>
#include <ext/pb_ds/assoc_container.hpp>
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> rbtree;
rbtree T;
*/
 
using i32 = int;
using i64 = long long;
using u8 = unsigned char;
using u32 = unsigned;
using u64 = unsigned long long;
using f64 = double;
using f80 = long double;
//using i128 = __int128_t;
//using u128 = __uint128_t;
using i128 = i64;
using u128 = u64;
 
ll power(ll a, ll b, ll p)
{
	if (!b) return 1;
	ll t = power(a, b/2, p);
	t = t*t%p;
	if (b&1) t = t*a%p;
	return t;
}
 
ll exgcd(ll a, ll b, ll &x, ll &y)
{
	if (b == 0)
	{
		x = 1;
		y = 0;
		return a;
	}
	ll px, py;
	ll d = exgcd(b, a%b, px, py);
	x = py;
	y = px-a/b*py;
	return d;
}
 
template<class T>
inline void freshmin(T &a, const T &b)
{
	if (a > b) a = b;
}
 
template<class T>
inline void freshmax(T &a, const T &b)
{
	if (a < b) a = b;
}
 
//#define getchar getchar_unlocked
//#define putchar putchar_unlocked
 
int inp() {
	int x = 0, f = 0; char ch;
	for(ch = getchar(); !isdigit(ch); ch = getchar())
		if(ch == '-') f = 1;
	for(; isdigit(ch); x = x * 10 + ch - '0', ch = getchar());
	return f ? -x : x;
}
 
ll inp_ll() {
	ll x = 0; int f = 0; char ch;
	for(ch = getchar(); !isdigit(ch); ch = getchar())
		if(ch == '-') f = 1;
	for(; isdigit(ch); x = x * 10 + ch - '0', ch = getchar());
	return f ? -x : x;
}
 
template<class T>
bool read(T &x)
{
	x = 0;
	char ch = getchar();
	if (ch == EOF) return 0;
	for(; !isdigit(ch); )
	{
		ch = getchar();
		if (ch == EOF) return 0;
	}
	for(; isdigit(ch); x = x * 10 + ch - '0', ch = getchar());
	return 1;
}
 
template<class T>
void write(T x)
{
	static char s[22];
	static char *it = s+20;
	static char *end = s+20;
	if (!x)
		*-- it = '0';
	while (x)
	{
		*-- it = x%10+'0';
		x /= 10;
	}
	for (; it < end; ++ it)
		putchar(*it);
}
 
template<class T>
void writeln(T x)
{
	write(x);
	putchar('\n');
}
 
const int MAXN = 5000010;
const int INF = 1000000000;
const int MOD = 1000000007;

int pre[MAXN];

void kmp(char *s, int n)
{
	for (int i = 2; i <= n; ++ i)
	{
		int j = pre[i-1];
		while (j && s[j+1] != s[i]) j = pre[j];
		pre[i] = s[j+1] == s[i] ? j+1 : 0;
	}
}

int n, m;
char s[MAXN], t[MAXN];

bool u[MAXN], in[MAXN];
int to[MAXN], F[MAXN];

int head, tail, Q[MAXN];

int main()
{
	
	scanf("%s", s+1);
	scanf("%s", t+1);
	n = strlen(s+1);
	m = strlen(t+1);
	
	int multi = m/n+1;
	
	for (int k = 1; k <= multi; ++ k)
		for (int i = 1; i <= n; ++ i)
			s[k*n+i] = s[i];

	int N = (multi+1)*n;
	
	kmp(t, m);
	
	int cur = 0;
	int flag = 0;
	for (int i = 1; i <= N; ++ i)
	{
		while (cur && s[i] != t[cur+1]) cur = pre[cur];
		if (s[i] == t[cur+1]) cur ++;
		if (cur == m)
		{
			flag = 1;
			int x = (i-m+1)%n, y = (i+1)%n;
			if (x == 0) x = n;
			if (y == 0) y = n;
			to[x] = y;
			cur = pre[cur];
		}
	}
	
	if (!flag)
	{
		puts("0");
		return 0;
	}
	
	for (int i = 1; i <= n; ++ i)
		if (!u[i])
		{
			head = tail = 1;
			Q[1] = i;
			in[i] = 1;
			u[i] = 1;
			while (1)
			{
				int x = Q[tail];
				int y = to[x];
				if (!y) break;
				if (u[y])
				{
					if (in[y])
					{
						puts("-1");
						return 0;
					}
					break;
				}
				Q[++ tail] = y;
				in[y] = 1;
				u[y] = 1;
			}
			for (int j = tail; j >= 1; -- j)
			{
				F[Q[j]] = F[to[Q[j]]]+1;
				in[Q[j]] = 0;
			}
		}
	
	int ans = 0;
	for (int i = 1; i <= n; ++ i)
		freshmax(ans, F[i]);
	cout << ans-1 << endl;

	return 0;
}


Measured memory_bytes: 24832