#include <iostream>
#include <cctype>
using namespace std;

bool valid(string s){
    for(char c:s) if(!islower(c)) return
false;
    return true;
}

int main(){
    string s1,s2;
    cin>>s1>>s2;
    
    if(!valid(s1)||!valid(s2)){
        cout<<"Invalid input";
        return 0;
    }
    
    string left =
s1.substr(2)+s1.substr(0,2);
    string right =
s1.substr(s1.size()-2+s1.substr(0,s1.size
()-2);
      
    cout<<(s2==left || s2==right ?
"true" : "false");
}