var GET=(function(){function f(s){return new g(s);}function g(s){this._s=s.trim().split("\n");this._y=0;}g.prototype.a=function(f){var s=this._s, y=this._y, r;if(typeof s[y]==="string")s[y]=s[y].split(" ").reverse();r=s[y].pop();if(!s[y].length)this._y++;return f?r:+r;};g.prototype.l=function(f){var s=this._s[this._y++].split(" ");return f?s:s.map(a=>+a);};g.prototype.m=function(n,f){var r=this._s.slice(this._y,this._y+=n).map(a=>a.split(" "));return f?r:r.map(a=>a.map(a=>+a));};g.prototype.r=function(n,f){var r=this._s.slice(this._y,this._y+=n);return f?r:r.map(a=>+a);};return f;})();
var o=GET(require("fs").readFileSync("/dev/stdin","utf8"));
function xArray(v){var a=arguments,l=a.length,r="Array(a["+--l+"]).fill(0).map(x=>{return "+v+";})";while(--l)r="Array(a["+l+"]).fill(0).map(x=>"+r+")";return eval(r);}
var UnionFind = (function(){
  var a;
  function f(n){return new UnionFind(n);}
  function UnionFind(n){
    a = this.a = Array(n+1).fill(-1);
  }
  UnionFind.prototype.root = function(i){
    if(a[i] < 0)return i;
    return a[i] = this.root(a[i]);
  };
  UnionFind.prototype.same = function(x,y){
    return this.root(x) === this.root(y);
  };
  UnionFind.prototype.unite = function(x,y){
    x = this.root(x), y = this.root(y);
    if(x === y)return false;
    if(x < y)a[x] += a[y], a[y] = x;
    else a[y] += a[x], a[x] = y;
    return true;
  };
  UnionFind.prototype.size = function(i){
    return -a[this.root(i)];
  }
  return f;
})();

var RollingHash = (function(){
  var base = 1007;
  var mod = [94906249,94906247];
  var pow = [[1],[1]];
  var hash = [[0],[0]];
  var size;
  function f(s){return new RollingHash(s);}
  function RollingHash(s){
    size = this.size = s.length;
    for(var j = 0; j < mod.length; j++){
      pow[j].length = hash[j].length = size+1;
      for(var i = 0; i < size; i++){
        pow[j][i+1] = pow[j][i]*base%mod[j];
        hash[j][i+1] = (hash[j][i]*base+s.charCodeAt(i))%mod[j];
      }
    }
  }
  RollingHash.prototype.find = function(s,k){
    var t = getStrHash(s);
    var len = s.length;
    var m = mod.length;
    var n = size - len + 1;
    for(var i = k; i < n; i++){
      if(get(i,i+len,0) === t[0]){
        var f = 1;
        for(var j = 1; j < m; j++){
          if(get(i,i+len,j) !== t[j])break;
          f++;
        }
        if(f === m)return i;
      }
    }
    return -1;
  };
  RollingHash.prototype.hashCheck = function(sHash,sLen,i){
    for(var j = 0; j < mod.length; j++){
      var t = get(i,i+sLen,j);
      if(get(i,i+sLen,j) !== sHash[j])return 0;
    }
    return 1;
  };
  RollingHash.prototype.add = function(s){
    var oldSize = size;
    size = this.size = size + s.length;
    for(var j = 0; j < mod.length; j++){
      pow[j].length = hash[j].length = size+1;
      for(var i = oldSize; i < size; i++){
        pow[j][i+1] = pow[j][i]*base%mod[j];
        hash[j][i+1] = (hash[j][i]*base+s.charCodeAt(i-oldSize))%mod[j];
      }
    }
    return size;
  };
  function getStrHash(s){
    var r = [];
    for(var j = 0; j < mod.length; j++){
      var t = 0;
      for(var i = 0; i < s.length; i++){
        t = (t*base+s.charCodeAt(i))%mod[j];
      }
      r.push(t);
    }
    return r;
  }
  function get(l,r,j){
    var t = (hash[j][r] - hash[j][l]*pow[j][r-l])%mod[j];
    return t<0?t+mod[j]:t;
  }
  f.getStrHash = getStrHash;
  return f;
})();

console.log(main());
function main(){
  var s = o.a(1);
  var t = o.a(1);
  var sl=s.length;
  var tl=t.length;
  var ss=s+s;
  while(ss.length<sl+tl)ss+=s;
  var uf=UnionFind(sl);
  var rh=RollingHash(ss);
  var tHash=RollingHash.getStrHash(t);
  for(var i=0;i<sl;i++){
    if(rh.hashCheck(tHash,tl,i)){
      if(!uf.unite(i,(i+tl)%sl))return -1;
    }
  }
  var ans=1;
  for(i=0;i<sl;i++){
    var t=uf.size(i);
    if(ans<t)ans=t;
  }
  return ans-1;
}

Measured memory_bytes: 116920