#include<iostream>
using namespace std;
bool vakid(string s){
    for(char c:s)
        if(c<'a'||c>'z')return false;
    return true;
}
int main()
{
    string s1,s2;
    cin>>s1>>s2;
    if(! valid (s1)||! valid (s2)){
        cout<<"Invalid input";
        return 0;
    }
    if(s1.length()!=s2.length()){
        cout<<"false";
        return 0;
    }
    string rot=s1.substr(2)+s1.substr(0,2))
    cout<<(rot==s2"true":"false");
    
}