Odpowiedź:
c++:
#include <iostream>
using namespace std;
int main()
{
string s;
cin >> s;
char temp = s[0];
s[0] = s[s.length()-1];
s[s.length()-1] = temp;
cout << s;
return 0;
}
python:
s = input()
lista = list(s)
temp = lista[0]
lista[0] = lista[len(s)-1]
lista[len(s)-1] = temp
s = lista
s = "".join(lista)
print(s)