#include<iostream>
#include<string>
using namespace std;
int main()
{
string a , b , aa , bb ;
cin >> a >> b ;
aa = a + a , bb = b + b ;
int la = a.size() , lb = b.size();
for (int i = 0 ; i <= la * 2 -lb ; i ++ )
if(aa.substr(i,lb) == b )
{
cout <<"true" ;
return 0;
}
for (int i = 0 ; i <= lb * 2 -la ; i ++ )
if(bb.substr(i,la) == a )
{
cout <<"true" ;
return 0;
}
cout << "false" ;
return 0;
}