#include<bits/stdc++.h> using namespace std; int main() { string s1,s2; cin>>s1>>s2; if(s1.size()<s2.size()) { string t=s1; s1=s2; s2=t; } string s3=s1+s1; if(s3.find(s2)!=-1) { cout<<"true"; } else { cout<<"false"; } return 0; }