#include <bits/stdc++.h>
using namespace std;
int main(){
    string s1,s2;
    cin >> s1 >> s2;
    if(s1.find(s2)!=-1){
        cout << "true";
        return 0;
    }
    for(int i = 0;i<s1.size();i++){
        char c = s1[0];
        s1.erase(0,1);
        s1.push_back(c);
        if(s1.find(s2)!=-1){
            cout << "true";
            return 0;
        }
    }
    cout << "false";






    return 0;
}