#include <bits/stdc++.h>
using namespace std;
/*
Coded by 秦惜梦
The most attractive girl in the world
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*/

char s[16000005],t[500005];
int Haa=233,Mod=1887415157;
int n,m;
int ha;
int qzh[16000005];
int mii[16000005];
int dp[16000005];
vector<int> pos;

int getha(int r,int len){
	return (qzh[r]-(1LL*qzh[r-len]*mii[len]%Mod)+Mod)%Mod;
}

int main(){
	scanf("%s",s+1);
	scanf("%s",t+1);
	n=strlen(s+1);
	m=strlen(t+1);
	for(int i=1;i<=m;i++){
		ha=(1LL*ha*Haa+t[i])%Mod;
	}
	mii[0]=1;
	for(int i=1;i<=n;i++){
		qzh[i]=(1LL*qzh[i-1]*Haa+s[i])%Mod;
		mii[i]=1LL*mii[i-1]*Haa%Mod;
	}
	do{
		for(int i=n+1;i<=n+n;i++){
			s[i]=s[i-n];
			qzh[i]=(1LL*qzh[i-1]*Haa+s[i])%Mod;
			mii[i]=1LL*mii[i-1]*Haa%Mod;
		}
		n*=2;
	}while(n<m*8);
	for(int i=m;i<=n;i++){
		if(getha(i,m)==ha){
			pos.push_back(i-m+1);
		}
		//cerr<<i<<' '<<getha(i,m)<<' '<<ha<<endl;
	}
	/*bool iseq=1;
	int bgptr=*pos.begin();
	int now=bgptr;
	while(1){
		if(now>n){
			break;
		}
		if(!pos.count(now+m)&&now+m+m<=n+1){
			iseq=0;
			break;
		}
		now+=m;
	}
	if(iseq){
		for(int i=bgptr-1,j=m;i;i--,j--){
			if(!j){
				iseq=0;
				break;
			}
			if(s[i]!=t[j]){
				//cerr<<i<<' '<<j<<' '<<s[i]<<' '<<t[j]<<endl;
				iseq=0;
				break;
			}
		}
	}
	if(iseq){
		for(int i=now,j=1;i<=n;i++,j++){
			if(s[i]!=t[j]){
				iseq=0;
				break;
			}
		}
	}
	if(iseq){
		puts("-1");
		return 0;
	}*/
	int mxans=0;
	for(int i:pos){
		dp[i]=max(dp[i],(i>=m?dp[i-m]:0)+1);
		mxans=max(mxans,dp[i]);
	}
	if(mxans>=n/m-2){
		puts("-1");
		return 0;
	}
	printf("%d\n",mxans);
	return 0;
}


Measured memory_bytes: 136416