#include <iostream>
#include <algorithm>
#include <string>
int main()
{
std::string s = "abcdef";
std::cout << s << '\n';
std::rotate(s.begin()+1, s.begin()+4, s.begin()+5);
std::cout << s << '\n';
}
I2luY2x1ZGUgPGlvc3RyZWFtPgojaW5jbHVkZSA8YWxnb3JpdGhtPgojaW5jbHVkZSA8c3RyaW5nPgoKaW50IG1haW4oKQp7CiAgICBzdGQ6OnN0cmluZyBzID0gImFiY2RlZiI7CiAgICBzdGQ6OmNvdXQgPDwgcyA8PCAnXG4nOwogICAgc3RkOjpyb3RhdGUocy5iZWdpbigpKzEsIHMuYmVnaW4oKSs0LCBzLmJlZ2luKCkrNSk7CiAgICBzdGQ6OmNvdXQgPDwgcyA8PCAnXG4nOwp9