#include<iostream>


using namespace std;


bool check(string s1,string s2)
{
    s1 +=s1;
    if(s1.find(s2)!=s1.npos)
        return 1;
    else
        return 0;
}
int main()
{
    string s1,s2;
    cin >> s1 >> s2;

    if( check(s1,s2) || check(s2,s1))
        cout << "true";
    else
        cout << "false";

    return 0;
}