#include <iostream>
using namespace std;
int main(){
string s, p;
cin >> s >> p;
if(s.size() < p.size()) swap(s, p);
s += s;
bool res = false;
for(int i = 0; i < s.size(); i ++ ){
if(s[i] == p[0]){
int j = 0;
while(j < p.size() && j + i < s.size() && s[i + j] == p[j]) j ++ ;
if(j == p.size()){
res = true;
break;
}
}
}
if(res) cout << "true" << endl;
else cout << "false" << endl;
return 0;
}