#include<iostream>
#include<string>
using namespace std;
int main(){
    string s1,s2;
    if(!(cin>>s1>>s2))return 0;
    
    for(char c:s1+s2)
    if(c<'a' || c>'z') return cout<< "Invalid input",0;
    
    int n=s1.size();
    string l=s1.substr(2)+s1.substr(0,2);
    string r=s1.substr(n-2)+s1.substr(0,n-2);
    
    cout<<(s2==1 || s2==r? "true" : "false");
    return 0;
}