#include<iostream>
using namespace std;
int main()
{
    string s1,s2;
    cin>>s1>>s2;
    for(char c:s1+s2)
    if(!islower(c))
    {
        cout<<"Invalid input";
        return 0;
    }
    if(s1.length()!=s2,length())
    {
        cout<<"false";
    }
        else
        {
            string r=s1.substr(2)+s1.substr(0,2);
            cout<<(r==s2 ? "true":"false");
        }
    
}