#include <iostream>
using namespace std;

int main(){
    string word;
    char temp;

    cin>>word;

    cout<<"liczba liter wprowadzonego wyrazu: "<<word.length()<<endl;
    temp = word[word.length()-1];
    word[word.length()-1] = word[0];
    word[0]=temp;
    cout<<"wyraz po zamianie liter: "<<word<<endl;
}