#include <iostream>
#include <string>
#include <algorithm>
using namespace std;
 
int main() {
 
   int n;
 
   cin >> n;
    // инвертируем число
   string number = to_string(n); // с++11
 
   reverse(number.begin(), number.end());
 
   int reversed_n = stoi(number);
 
   cout << reversed_n << endl;
 
   // и обратно
   number = to_string(reversed_n);
 
   reverse(number.begin(), number.end());
 
   n = stoi(number);
 
   cout << n << endl;
 
    return 0;
}

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MTIzNDU2

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