#include <iostream>
usingnamespace std;
bool valid(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;
    }
    int n = s1.length();
    string left =s1.substr(2) + s1.substr(0,2);
    string right = s1.substr(n-2) + s1.substr(0,n-2);
    
    if(s2 == left || s2 == right)
        cout << "true";
    else
       cout << "false";
      return 0;
}