#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
int main()
{
string a,b;
cin >> a >> b;
if(a.size()<b.size()) swap(a,b);
int len = a.size();
while (len--)
{
char first = a[0];
if (~a.find(b))
{
cout << "true" << endl;
return 0;
}
a = a.substr(1);
a = a + first;
}
cout << "false" << endl;
return 0;
}